Boobie monster, eh? Sounds like a great monster indeed, the kind one would go hunting for...and wouldn't mind getting attacked by.
Well, I suppose at least he's...happy? I don't quite know about the "Training your prostate" bit of their relationship but hey, at least they're happy.
As you are a kid, you are afraid of monsters (under your bed), after you grow up you pray to God that the boobie monster will wake you up and attack you in your bed...