Any negative talk.
Bitterness (e.g. "women never like nice guys") and boasting about possessions.
not making it to the first date?
Oh, honey. There is more than one. Dirty fingernails, oily hair, socks w/ sandles, chewing w/ your mouth open, honking your horn instead of walking to the door and knocking, answering your phone while she is talking to you, introducing her to your friends (which include your ex), there are more. Use your common sense. Remember how you use to act when your great-grandmother was in the room. That's how you act.
The lights! hahaha
No, lol, forreal... bad breath!
Lack of class, dressing trashy, being a bigot, etc