Originally Posted by skallar

This means that you've been far to nice to her. You've 1) shown jealousy so she thinks you won't be friends after you bang, or 2) you've proclaimed you're not in it for the pussy when you really are. Congrats, either way you get none.

Make your intentions clear early. Either you want in her pants or not. Don't let her develop some crazy thoughts such as "He's really a nice guy".