ex girlfriend at your party? should you stay or should you go?

http://losttheone.com/2010/08/see-your-ex-girlfriend-at-your-party-be-nice-and-get-out/ Your ex girlfriend is going to be at a party, and everyone wants you to go. You want to go to the party. Maybe you can make her jealous, or maybe she can see how “good” you are. Should you go? Not if you want her back. She came unexpectedly to you party? time [...]