Draco: *Confidently holding a flip phone upside down*
Harry: ...What are you doing?
Draco: Making a call.
Harry: I don't think you're doing that ri-
Draco: I think I know how to use a cellphone thank you very much.
Harry:
Harry: *Whispering* You don't have to pretend to know how these things work for me to like you.
Draco: *Putting down the dead cellphone* OHTHANKGOD.