Your wife is right, of course. For a long time, your inability to ever satisfy her sexually had been putting a tremendous strain on your relationship. But now she has another, much more masculine and better hung, man who takes care of her sexual needs on what has become a nightly basis, and you no longer ever have to face your own inadequacy because she has no intention of ever having sex with you again.
imagine...
Wife needs advice
You are more than right, who are you going for this time?
She almost never tells you who she's going out with or where she'll be going on her date, but you do know that many of your friends have taken her out at least once, and most of them several times.