Oh Noo Severus You Spilled Your Red Ink Everywhere

Everyone Dreams of Going to Hogwarts

Every fan of Harry Potter has indulged in the fantasy of waiting for an Owl to deliver the fateful letter that will declare your future as a witch or wizard at Hogwarts School of witchcraft and wizardry. Every one of us old or young had dreamed of riding the train at Kings Cross Station, taking the boats across the black lake and seeing the castle for the first time, of having dinner in the great hall, of finally figuring out where you belong in the world and it just feeling right. They fantasize about seeing their common room for the first time finally feeling that warm sense of belonging and meeting the friends that you will keep for the rest of your life. Every single one of us had fantasized about meeting our professors, exploring the grounds and discovering our latent potential. It’s a comfort for many of us and happy place to go in our minds to escape reality.

For the witches and wizards of the Wizarding World that childhood fantasy is their reality. They too wait with bated breath for their letters. They too fantasize about finally feeling that “at home” feeling, the feeling that you finally belong to something bigger and more wonderful than their wildest dreams. The chance to prove themselves. The chance to start over for many, the chance to leave their sometimes abusive homes for a place that finally actually feels like home to them. Harry was one of those people. Dumbledore was one of those people. Hermione, Ron and even Neville all find this sense of belonging sooner or later. They all find their forever home at Hogwarts the way we all dream.

Now imagine being Seveurs Snape.

You live in a house with a father that doesn’t understand you and screams and yells at you and your mother on a daily basis and you feel so alone in the world. You have one peer who appreciates in you the magic that allows you to rise above the squaller and cruelty in which you live. You have one friend who sees you for who you are and appreciates that about you truly, while being forced to inhabit a world that not only doesn’t understand you but is actually often openly hostile to you. Hogwarts, you beleive, will be your escape from this hell, and best of all you get to take this wonderful friend with you. You are being whisked away to a fairy tale castle where dreams come true and you will finally feel safe and finally feel a real sense of home. You stay up all night all week waiting by the door in the early morning for the letter that is finally going to change your life. You pour over it with your best friend, going over every aspect of this incredible opportunity in your mind over and over. You’re planning how you’ll make the most of it. You finally let yourself look forward to something, to open your heart to something, to dream of something. Your greatest hearts desire to this moment is finally coming true.

Then you get on the train.

And the hell begins before the first day has ever even started. Your friend is angry at you for something entirely out of your control, and even though you make up destiny has deigned that on this day you will meet the person that will destroy any hope you ever entertained of Hogwarts being a home at all. His name is James Potter. His partners in the crimes which will forever change your life are Remus Lupin, Peter Pettigrew, and Sirius Black. From the moment you meet you are ridiculed by them, physically abused by them, and the worst part is from this day forward it is never going to end.

Your best friend is put not just in a different house but in the house that hates your house the most, and from this day forward you will forever have a strain on the only true friendship you’ve ever had. From this day forward you will have to meet them either in secret or at least in private to avoid angering both your houses at best and facing ridicule at worst. The moments you stole with this friend in the muggle hell will ironically be the only moments of peace you’ll truly have with them. Not only that, but they are sorted into the same house that 4 of your worst tormentors reside in.

But it’s even worse. Because although at home you can escape form your father and potential school bullies by hiding yourself away in some nook or cranny, making yourself scarce, staying out late at night in the woods or just being as quiet as possible; you will never be able to escape the torment that now awaits every day. You have classes with them, you run into them, you see them trying to take away the only friend you have every day. And it doesn’t even end there, now they have a tracking device that you don’t know about, but somehow they manage to find you no matter where you hide. No matter where you go they are somehow always there. No matter who you talk to, they all act like you’re crazy. Because none of the other professors or students know about the marauders map they find you strange for jumping at every blow of the wind. Because they don’t know about the map they don’t believe you at all when you try to explain that somehow James Potter and his gang seem to pop up conveniently every single place you go to hide and they even blame you for trying to figure out how to protect yourself. They tell you you’re bringing it on yourself for being too weird or too jumpy or too nosy. Even your best friend in the world is starting to doubt you. You feel like you’re going insane.

So you try to have your tormentors expelled. You try so hard to figure out something, anything that will end the days on end of suffering and abuse. But you’re the weird kid. You’re the ugly kid. You’re the emo goth kid. Nobody gives a shit about you and you know it. You know you’re on your own. You’re a half blood, so the the people in your house who were supposed to have your back ignore you at best and tease you about it at worst for letting Gryffindor students get the best of you. Any hope you had of Hogwarts being your home has been destroyed.

So you try to follow James and The Gang around. Yes everyone sees you as creepy for this, becusse you don’t have a map that magically tells you where they will be at all times. You have to go about it the old fashioned way. You hide behind bushes, you peak around corners. Yes everyone finds you creepy now on top of everything else, but it’ll be worth it if you can finally enjoy what was promised to you at age 11, a home. You’ll finally be able to breathe.

But no. Instead what happens is your tormentors figure out that you know that they are putting the lives of students in danger by wandering the grounds with a werewolf against the wishes of the headmaster. You know that if you can just prove it that the torment will be over, but what you don’t know is that they are one step ahead of you, and for the unimaginable crime of trying to thwart them; they are going to plan to inflict a dangerous illness of lycanthropy on you at best, maul you to death at worst. You are close to both your proof and your death when one of them gets cold feet at the last minute and decides he doesn’t in fact want to go to prison.

You think “maybe it’s finally over now”, “maybe everyone will see now that they are cruel, that this is what they’re really like”, “maybe I’ll finally get a moment of peace, maybe Dumbledore and Lily will finally beleive me”. But no. Of course not. Because remember, you’re the weird emo Slytherin kid and your life is secondary. It always has been. Dumbledore swears you to secrecy to protect one of your tormentors, so you get no justice for the attempt on your life. Because Dumbledore had forbidden you to speak about your traumatic experience of almost being murdered, your best friend doesn’t beleive you at all and instead blames you for sneaking around. They don’t even give you the chance to defend or explain yourself. Instead you’re made out to be the creepy bad guy who wants to destroy the Potter Gang out of jealously.

Worst of all you secretly suspect that your best friend has a thing for the person who makes your life a living hell every single day. You see the stolen glances and the way they look at each other, the way she is never totally on your side. You tell yourself that this is all in your head, that Lily would never betray you that way. That all the hours you spent dreaming of Hogwarts together will mean more than a crush. But oh, sadly you are very wrong there too.

Not even a few months after attempting to take your life your abusers are back at again. Remorseless as ever they hunt you down like dogs and follow your every footstep. You haven’t a moment of peace even to do your normal school work. The only place you are safe is your common room, and even then you can’t let your guard down.

Then one day it happens.

The little pieces of happiness that you’ve managed to tuck away from yourself are cruelly ripped away. They manage to find you again. The torment us as usual. They all gang up on you, each taking a go for their own amusement. They fling you on your back, force you to vomit, force you to listen to their emotional abuse while they make a go at hitting on your best friend, and the torment does not end there. Now they are picking you up off the ground and taking off your clothes. Now on top of every other humiliation they have amused themselves by sexually humiliating you in front of everyone in your class including your closest ally. Every part of you is on fire inside and out and the depth of horror and hurt inside you is so big you don’t know what to do with the feeling. Then your friend finally steps in. But now you’re so hurt and angry that it’s bursting out of you in the worst possible ways.

Now the worst thing finally happens.

You call your best friend a slur; something you know will hurt them more than any other thing, because you’re destroyed, because you’re angry at them for letting it get this far, because you’re humiliated and because you’re tired of not being held in a higher regard than the person who has ruined your life; because you’re sick of their moralizing and their pitty.

Now you’ve lost the only person you’ve ever really felt close to. Now you’ve lost any human sympathy forever.

And it’s not over yet. Now you’re upside down again. And this time they aren’t content with exposing the rest of your body for the world to see. Now they are out for blood, and the revenge they have settled on is Sexual Assault. They remove your underwear to expose your most private parts to the world and there is nothing you can do about it. Nowhere you can go. No one who cares. No one who will come to your rescue.

Snape must have felt so hopeless it’s a wonder he didn’t try to end his life. People have done so over much less.

Hogwarts was never truly a home for Severus Snape. Even in adulthood he works in the place that was the site of innumerable traumas and heartaches. Everyday he faces trigger after trigger of the worst day of his life, while protecting the progeny of the only person he ever felt close to and the person who cruelly ripped away any chance he had at normal life. This is why I feel for Severus Snape so much in every scene. He is confronted every day with the worst memories a person can endure yet he chooses to be brave anyway. He chooses to do the right thing anyway. He puts other people’s well-being first anyway. He chooses the side of the light beyond all that had conspired to make a sociopath out of him. He holds a place in his heart for love and he protects that love with his entire being. Platonic love is just as powerful as romantic love and Severus Snape is the perfect example of this. A person even in the worst circumstances can still make the most difference in the world, can still choose to be their own person and make their own choices. Even when the world is wholly against him, Severus Snape is the pinnacle of integrity.

This is why he’s my favorite character. He’s the bravest character in the narrative, but he’s also the character with the most integrity.

“Snape hated Harry because Harry looked like James.” Okay. Let’s dig into this. Because it’s not a matter of, “Your dad bullied me and I’m getting back at him by being hateful to you.” It’s more complex and insidious than that. When Snape knew James as a teenager, Snape was “twitchy, like a spider.” He stuttered. He knew he could be under attack at any moment, and he was powerless: poor, with no social clout, unattractive, generally disliked. After James died, Snape was trapped back in the place where he’d been bullied, trying to be an authority figure to kids only a few years younger than him who’d watched him being bullied and assaulted. It must have been incredibly hard, but he did it. When we see him ten years later, he no longer stutters. He can keep a classroom quiet with a soft voice. He’s in control. Then, suddenly, there’s this face in the crowd again, the one his instincts associate with danger. He has to fight the automatic response to take cover or defend himself when he passes Harry in the halls. He’s twitchy again, his nerves are raw, it’s uncomfortable all the time. And then he gets face-to-face with him in class. And it’s like the clock has turned back and he’s a teenager again. Only, he’s managed to take all the things he’s fought so hard for with him: he doesn’t stutter, he can clearly say all the insults he ever wanted to; he’s the one with the power, with social standing behind him. And so all the things he would’ve liked to say to James come pouring out: the carefully created insults, the disdain. And the laughter of the Slytherins feeds the dark places in his soul. And then Harry leaves, and he hates himself. What is wrong with him? He knows this isn’t James, it’s not helping anything to treat him like this. He’s going to stop. He will just ignore the boy and get on with his life. But it never lasts. His control slips, and he says one thing, and then it snowballs, and he’s lost all that hard-won control he’s fought for all his life. He’s acting like a teenager again, and he hates it. He despises himself for it. But he won’t let anyone know his weakness. Better that everyone thinks he is petty enough to loathe the boy for no good reason than that they know how his control crumbles at a touch. So he sneers and insults him to other teachers and gets on with his self-loathing. He’s used to it, after all. And he does his best to protect the boy, to keep him alive despite all the idiot does to undo his efforts. But every time, he ends up screaming at the kid like he’s crazy. Maybe he is crazy. Normal people don’t feel out of control like this, for no reason. Just because a kid looks like his dad. So, yes. Harry looks like James, and Snape hates him for it.

I’m rereading OOTP right now and I find that scene between Severus and Sirius in the kitchen to be highly relevant in the context of Severus as a feminine-coded character (and Sirius as a representation of toxic masculinity). Sirius is very outwardly aggressive in this scene in a conventionally masculine way, while Severus weaponizes his sarcasm and wit in a way that could be thought of as a more “feminine” form of defence. While Harry describes Sirius’s voice as getting progressively louder and angrier, he describes Severus’s voice as “soft” in contrast (as he usually does, which is also interesting in the context of Severus as a feminine man/GNC character). Sirius gets up and tries to intimidate Severus physically, and Severus grips his wand inside his pocket in a way that reminded me of a victim of domestic violence preparing to defend herself against her abuser.

I’m not sure how much of this was intentional considering how rigid JKR’s views on gender have unfortunately turned out to be, but I can’t help but read Severus as a feminine character, especially since he’s meant to act as a stand in for Lily in the same way as Sirius acts as a stand in for James. It’s very easy to read Sev as gender non conforming and/or LGBTQ, although given JKR’s own views it’s doubtful she meant for us to read him that way (but fuck her, she’s a massive transphobe, the characters are ours now, we can do what we like with them).

Note to self, start checking your inbox regularly. These changes to Tumblr are killing me because the notifications when I get messages or asks are hit-or-miss at best.

Anyways, this is such a great observation! I'm only just learning about coding and that that is even the term for it from reading about it from other Snape bloggers like @idealistic-realism00, @raptured-night, and @professormcguire since I only took the required English courses both my undergraduate years and beyond that my major was in sociology.

So, I'm not really any kind of expert but I do have a lot of personal experience from being biracial and queer myself just with learning to read between the lines and find representation for myself where I can and I think that is the case for a lot of people from less represented, marginalized backgrounds. We have a certain instinct for these things so even without any kind of formal study we sort of know the "codes" (for better or worse depending on what the author's intent is and if it's a negative dog-whistle or something more positive to get around censorships of the time) if that makes any kind of sense.

For me, I always saw Sirius and Snape as two sides of a coin. There were some very obvious parallels and contrasts between them and this really goes to that in a lot of ways for me. Both Sirius and Snape are two men who made pivotal choices in their youths that very much define them and have led to a great deal of internalized guilt and impacted their behaviors as adults. Both Sirius and Snape find themselves confined to their childhood homes at different points, Sirius at Grimmauld Place with Kreacher and Snape at Spinner's End with Peter Pettigrew (both Kreacher and Peter are characters that also are known for betraying Harry and costing him someone he loves at different points and making a turn around in regards to Harry because of kindness or mercy he showed to them).

Where Sirius made the choice to make Peter the Secret Keeper with only James, Lily, and Peter knowing and it ultimately led to the death of the Potters and him being sentenced to twelve years in Azkaban, Snape also unwittingly delivered part of the fated prophecy that led to Voldemort targeting the Potters. Most interesting for me is that Snape's friendship with Lily and Sirius's friendship with James could be read as either platonic or a case of unrequited romantic feelings. There is the observation in SWM made by Harry that while Sirius was clearly a looker who attracted the attention of girls, his attention was fully on James and not on those admiring glances. So, when looking at Sirius's relationship with James through a comparative lens to Snape's with Lily they could be platonic friends or both Sirius and Snape could have had romantic feelings for their best friends while, ironically enough, Sirius had to watch James fall for and succeed in winning over Lily just as Snape had to do the same.

In the case of Snape and Sirius there is also a degree of regression and arrested development stemming from trauma (and both men at different points make the clear mistake of seeing Harry as a stand-in for James as a result of said trauma). Where Sirius spent twelve years in Azkaban able to hold onto his sanity against the Dementors in part because he knew he was innocent and the truth of what happened was a deeply unhappy thing for him, Snape spent decades in Dumbledore's service at Hogwarts (a place with its own unhappy associations for him having found it was not a refuge from life at Spinner's End with Tobias as he had hoped but another place where he would be bullied relentlessly, overlooked by his Head of House and housemates for being a poor half-blood with no status, subject to institutional failures resulting from yet more adult authority figures in his life not protecting him, groomed by Voldemort's followers and responsible for alienating his closest friend as a result) teaching children when clearly he does not have the temperament and, courtesy of his role as a spy, concealing his own truths and intentionally not allowing people to know the best of him. In a sense, both men had a negative public image that ran counter to the full truth about them and both of them died without being able to see those misconceptions vindicated (Sirius died still presumed by the Ministry and general public to have been the traitor who turned his friends over to Voldemort and murdered innocent people and Snape died knowing he had delivered information to Harry that would lead to his death and unsure of the outcome of the war with everyone thinking him a coward and murderer).

There's just, a LOT of parallels there between the two when you start to unpack them as characters. Even the fact that they both came from domestic dysfunction and unhappy home lives. It makes their mutual antagonism all the more of a tragedy because if not for Sirius's prejudice (which is arguably more understandable given his family and their long tradition of being sorted into Slytherin) against Slytherins and antagonism of young Snape on the train and the years of bullying and bad blood that followed, these two men had the most potential to understand each other. Alas, they do not, but it is their likenesses that makes their differences in how they clash all the more interesting because, as you noted, there are stark differences there. Sirius is all overt masculine energy; hot-headed and physically imposing while Snape is more strained, the ice to his fire.

Most striking to me was always the difference in how little respect Sirius showed to Snape's body while he was unconscious (further demonstrating how little Sirius has changed from the teenage boy who once stood with James and exposed Snape to laughing schoolmates) versus how Snape conjured a stretcher while still under the impression he was the one responsible for betraying the Potters (and the death of Lily). In that way, we get to see how Snape has developed as a person away from his past choices and learned from them. He may still regress, as he does quite plainly when forced to return to the Shrieking Shack and is confronted by Sirius and Remus there, but he isn't quite in the full state of arrested development as Sirius (but given his circumstances in Azkaban that isn't entirely surprising either; there is a tragedy to Sirius's character for all that there is as much of a darkness as there was in Snape during his time as a Death Eater and the fact so many Marauder apologists who double as "Snaters" refuse to acknowledge that outside of romanticizing the angst of it all while vilifying Snape is quite possibly an even greater tragedy, imo) which is why Sirius's death came in part due to his inability to move beyond his past and find it within himself to treat Kreacher with a modicum of understanding or empathy (in addition to his desire to be part of the action again and recapture his lost youth when it was him and James in the Order together) while Snape's death came only after he had to reconcile with the fact his original raison d'être for becoming a spy (to protect Harry for Lily as penance) ran counter to what was needed to defeat Voldemort for good and he still chose to stay the course instead of pursue his own agenda and act on his own self-interests.

In short, Sirius's death was partly due to the fact he couldn't move beyond the past. While Snape's death came as a result of the fact he had grown enough as a character to set aside his past motivations and see things through because he had become someone who conjured stretchers even for hated enemies and risked his life to save all those who he could save (including Sirius and Remus).

Thanks for the ask and I'm so sorry it took so long to respond but it gave me even more to think about. The masculine vs. feminine coding just adds an extra element to Snape and Sirius's dynamic when it was already interesting to me and I've always had a lot of thoughts about how those two were written with so many parallels and points of contrast. Love this ask!

If Snape was using Occlumency to shield his mind from Voldemort, why didn’t Voldemort become suspicious that Snape was hiding something since he couldn’t penetrate his mind with Legilimency?

It’s because Snape did something far cleverer than merely “shielding his mind” from Lord Voldemort.

As one can make out from their interactions, Snape seemed to be the only Death Eater whom Voldemort ever had any modicum of respect for. You don’t merit Lord Voldemort’s esteem by being incompetent or stupid. Snape clearly earned his spot as Voldemort’s most revered servant by proving himself and being the asset that he was.

See, Snape never lied to Voldemort. Snape knew that Voldemort’s skill in Legillemency would immediately alert him to duplicity, so instead, Snape only told Voldemort the truth.

When Voldemort first returned, Snape justified his initial absconding from the Death Eaters by saying that he thought Voldemort had been vanquished in Godric’s Hollow. In The Prince’s Tale, we learn that this is actually true. Snape thought Voldemort had gone, and it was only Dumbledore who insisted that he would one day return. Later, he told Bellatrix that Voldemort forgave him for impeding him in his plot to purloin the Philosopher’s Stone because he did not know Voldemort was the mastermind behind the enterprise, and only thought that “unworthy” Professor Quirrell (whom Snape hated for getting the Defense Against the Dark Arts teacher position) was trying to take the Stone for himself. Again, this turns out to be completely true.

Snape then spent 2 years “spying” on Dumbledore, and relayed what little he knew of the Headmaster’s activities to Voldemort. Dumbledore chose to keep Snape in the dark on most of his plots, which was actually (justifiably I might add) a source of great frustration for Snape. Then he killed Dumbledore just as Voldemort wanted.

Before the Battle of the Seven Potters, Snape gave Voldemort the correct date of Harry’s departure from Little Whinging. He correctly pointed out that Yaxley had been given a false trail, and truthfully divulged that the Order of the Phoenix distrusted the Ministry and the Auror office and wanted nothing to do with the institution. Re-read the scene from The Dark Lord Ascending in the books and pay close attention to the description of Voldemort’s body language. He hangs on to every word Snape says with great interest, and invites Snape to sit by his side. Meanwhile he ignores and then silences Yaxley (whom he shunts beside Dolohov), and expresses contempt for the Malfoys and Bellatrix by humiliating them. But Snape he holds in far higher regard, arguably valuing him more than anyone save for his beloved Nagini.

Voldemort was quite correct in recognizing Snape as an impressively talented and exceptionally intelligent wizard. He just never calculated that Snape’s cunning could be used against him. Even if Voldemort had decided to raid Snape’s mind, he would’ve found little of interest. Snape’s love for Lily Potter was already known to Voldemort (and he foolishly underestimated it, just as he did with Lily’s love for Harry), and the fact that he spent a great deal of time scheming with Dumbledore would not have perturbed Voldemort, but would’ve pleased him. That was literally the job that Snape was given; to earn Dumbledore’s trust and spy on him, and then relay his plans to Voldemort.

Snape’s deception of Voldemort is honestly one of the most underrated feats in the entire series, not necessarily because it was magically impressive (although it was), but because it was carried out so cleverly. As was made clear by his potion riddle all the way back in Philosopher’s Stone, Snape’s greatest talent was his cleverness, which so many wizards seem to lack. Hermione was quite right in recognizing Snape’s genius.

Snape fooled Voldemort with the truth, not with lies. That’s how he got away with it for so long.

Our Snapey has the brightest mind in the entire series, period. 🖤

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Snape isn’t responsible for Lupin losing his job

Let’s look at the timeline:

The Shrieking Shack drama.

Lupin turns into the werewolf.

Harry, Ron and Hermione are in the Hospital Wing.

Harry and Hermione use the Time Turner.

Snape has a meltdown in front of Cornelius Fudge and Dumbledore.

In the morning Snape tells Slytherins that Lupin is a werewolf.

Harry talks to Lupin who’s been fired.

A lot of people think that Lupin was fired because Snape told his secret. But Lupin was actually fired because he betrayed Dumbledore’s trust—multiple times, as a student and as a teacher.

Lupin knows it himself:

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“I sometimes felt guilty about betraying Dumbledore’s trust, of course ... he had admitted me to Hogwarts when no other headmaster would have done so, and he had no idea I was breaking the rules he had set down for my own and others’ safety. He never knew I had led three fellow students into becoming Animagi illegally. But I always managed to forget my guilty feelings every time we sat down to plan our next month’s adventure. And I haven’t changed ...”

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Lupin betrayed Dumbledore’s trust as a student when he was roaming around Hogwarts and Hogsmeade as a werewolf.

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“That was still really dangerous! Running around in the dark with a werewolf! What if you’d given the others the slip, and bitten somebody?”

“A thought that still haunts me,” said Lupin heavily. “And there were near misses, many of them.

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Lupin himself admits that there were many near misses. He’s extremely lucky that he didn’t infect or kill anybody. If he had, if others had found out about him, Dumbledore would have been finished as a headmaster.

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Lupin’s face had hardened, and there was self-disgust in his voice. “All this year, I have been battling with myself, wondering whether I should tell Dumbledore that Sirius was an Animagus. But I didn’t do it. Why? Because I was too cowardly. It would have meant admitting that I’d betrayed his trust while I was at school, admitting that I’d led others along with me ... and Dumbledore’s trust has meant everything to me. He let me into Hogwarts as a boy, and he gave me a job when I have been shunned all my adult life, unable to find paid work because of what I am. And so I convinced myself that Sirius was getting into the school using dark arts he learned from Voldemort, that being an Animagus had nothing to do with it . . . so, in a way, Snape’s been right about me all along.

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Lupin knew Sirius was an Animagus. It was crucial information. Everyone—including Dumbledore, Snape and Lupin himself—believed it was Sirius who had betrayed the Potters. Lupin was (again) extremely lucky that it turned out it was in fact Pettigrew.

The Ministry and Dumbledore did their best to protect Harry, but the whole army of Dementors was helpless against Animagus Sirius. Lupin himself is disgusted with what he did.

That betrayal is even worse, because Lupin being a teacher in the same year Sirius is on the loose is probably not a coincidence. Dumbledore must have asked the person he trusted and who knew Sirius very well. Dumbledore hoped that Lupin would have some information about Sirius and help protect Harry; being a good DADA teacher was a pleasant bonus. But Lupin failed to do the very job he was hired for.

Lupin managed to deceive Dumbledore and Snape who were both skilled in Legillimency. What’s more, during the first war Lupin probably was trying to convince other werewolves / spying for Dumbledore just like during the second war, so probably he knew at least a little Occlumency. The thing is, Lupin was hiding something the whole year (that he knew Sirius was an Animagus) and Snape saw some clues that Lupin wasn’t entirely honest. Lupin admits it too.

So let’s get back to the timeline:

Dumbledore wants to know what happened in the Shrieking Shack. He’s heard the children’s account, but he must want to hear the story of the three adults involved in the incident: Snape, Lupin and Sirius. Lupin is obviously unavailable.

We know he talks to Sirius:

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“Last night Sirius told me all about how they became Animagi,” said Dumbledore, smiling. “An extraordinary achievement — not least, keeping it quiet from me.

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He tells Harry this in the morning, after Lupin has left. The conversation probably took place when Sirius was arrested, after the Shrieking Shack incident but before the rescue. Lupin was in his werewolf form at that time, somewhere around Hogwarts.

The most disapointing thing for Dumbledore must be the fact that it is Sirius, not Lupin, who tells him all about Lupin’s first betrayal as a student. That also reveals Lupin’s second betrayal—that he didn’t tell Dumbledore about Sirius’ ability, even though he believed him to be the traitor.

Dumbledore must be determined to hear Lupin’s account. So as soon as the night ends and Lupin turns back into his human form, Dumbledore has a conversation with him. We know it happened because when Harry talks to Lupin, Remus has already been fired. The only way it could happen is that the Headmaster fired him personally.

Of course Snape couldn’t fire Lupin personally, he was just a teacher, he had no power to do so. The only way Snape could have had Lupin fired was to tell the Slytherins about Lupin (which he did), inform the school governors himself or have the students (like Draco Malfoy whose father was a governor) inform their parents and then wait for the governors to force the Headmaster to fire Lupin. However, there was too little time for that. Alternatively, he could have just told the Slytherins about Lupin, thus manipulating Dumbledore and forcing him to fire Lupin. BUT (1) Snape is very loyal to Dumbledore and it would be surprising if he went behind his back and endangered his position as the Headmaster; (2) there’s no indication that Dumbledore is mad at Snape. He certainly would be if Snape forced him to do something he didn’t want to do.

But Dumbledore is mad at someone else.

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“Well — good-bye, Harry,” he [Lupin] said, smiling. “It has been a real pleasure teaching you. I feel sure we’ll meet again sometime. Headmaster, there is no need to see me to the gates, I can manage...”

Harry had the impression that Lupin wanted to leave as quickly as possible.

“Good-bye, then, Remus,” said Dumbledore soberly. Lupin shifted the grindylow tank slightly so that he and Dumbledore could shake hands. Then, with a final nod to Harry and a swift smile, Lupin left the office.

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"Mad" is perhaps too strong, Dumbledore is rarely outraged. He’s disappointed. He isn’t emotional (neither "Oh, that horrible Snape, what did he do to my precious Lupin?" nor "Oh, you horrible Lupin, you’ve almost eaten my precious Harry Potter!"), he assesses the situation rationally. He’s rather cold. Whatever he’s said to Lupin earlier has made Remus embarrased. Lupin wants to leave as quickly as possible when Dumbledore has come to avoid further embarrasment. He knows he screwed up and he knows that Dumbledore knows it too.

We know about two conversations. But there was another adult involved in the Shrieking Shack incident, someone who Dumbledore trusts more than Sirius (whom up until that night he believed to be a traitor and a murderer) and Lupin (who let him down at least once by forgetting to drink his potion and by not staying behind in the Shrieking Shack, thus almost killing a few people, including Harry Potter—and that’s just the tip of the iceberg). Snape. However, although it’s logical for that conversation to take place, we don’t know when it could happen. After the Shrieking Shack incident Dumbledore talks to Sirius, so he couldn’t talk to Snape then. Then he suggests the children use the Time Turner. Then Snape has a meltdown and is probably too unstable to hold a rational conversation. Then finding Lupin could be a higher priority than talking to Snape since Dumbledore already knows most of what happened, Snape is biased and wasn’t present or was unconscious for the most part and Lupin right now is a danger to students and Hogsmeade villagers (including Dumbledore’s own brother).

Another thing that is worth mentioning is that Snape kept Lupin’s secret for over 18 years, including two years when he was a faithful Death Eater and Lupin was a member of the Order of the Phoenix. Snape is also deeply loyal to Dumbledore. It would be illogical for him to betray Dumbledore like that and to face no consequences for that. So, logically, Dumbledore must have given him some sort of green light, even if it was just a mild sugestion that it was up to him now.

To sum up, the adjusted timeline looks like this:

The Shrieking Shack drama.

Lupin turns into the werewolf.

Harry, Ron and Hermione are in the Hospital Wing.

Dumbledore talks to Sirius and finds out about Lupin’s first and second betrayal.

Harry and Hermione use the Time Turner.

Snape has a meltdown in front of Cornelius Fudge and Dumbledore.

At dawn Dumbledore finds Lupin and talks to him. Lupin quits / is fired.

Dumbledore talks to Snape, probably implying that he isn’t bound to keep Lupin’s secret anymore.

In the morning Snape tells Slytherins that Lupin is a werewolf.

Harry talks to Lupin who’s been fired.

Lupin got himself fired all by himself by keeping crucial information from Dumbledore and endangering students, including Harry Potter.

Snape is responsible for ruining Lupin’s reputation but not for Remus losing his job.

Snape isn’t responsible for Lupin being unable to have a job afterwards, because Remus has already had this problem.

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He let me into Hogwarts as a boy, and he gave me a job when I have been shunned all my adult life, unable to find paid work because of what I am.

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Somehow his empleyers knew about his condition or quickly figured it out. If Lupin had been discriminated all his adult life, it wasn’t because of Snape.

He worsens Lupin’s situation, but it’s been already bad. His situation, his prospects don’t really change after that. They were bad, now they’re slightly worse.

That one couple you know that makes fighting part of their daily routine

new school year