I've gone on plenty of dates (now) worth mentioning, I've heard plenty of stories from friends, which are not only great, but help me remember other crappy dates that I've had...also worth mentioning...but LikeOmigod has been slipping. So here...let's just start all over. Let's start with a douchebag. Or two. Or three.
#10) "[After he finishes describing himself] Some say that I'm cocky, but I'm just confident." Red Flag. Chances are that if you say you're not cocky, but confident, you're lying and you're really just a douche. Seriously people.