"Don't stick your dick in crazy" is obviously sound advice. Sometimes after calling it off with a girl, a guy ends up with the stuff in his apartment trashed. Maybe there was no way he could have known in advance that she'd snap or maybe there was.

So the question is: what early warning signs have you seen that helped you avoid the psycho girlfriend? Or what signs did you notice in retrospect after sticking dick in crazy?

Let's get a comprehensive list going so that those who have taken one for the team don't have their experiences happen in vain!!!