Why are girls more attracted to you right after you hook up with someone else or when you have a girlfriend?

First of all everyone wants what they can't have, and second, girls can get VERY jealous! Hope that helped, Please answer mine:) a href="http://answers.yahoo.com/question/index;_ylt=Ai44id0W5X5NCnSQiZXmHRjsy6IX;_ylv=3?qid=20090630231733AAjuYXg"http://answers.yahoo.com/question/index;…/a