Sounds like a terrific meal Badge! I love old-style grilled burgers! Hard to find these days! You've got to grab the opportunity when you see it!
Cour, treat the roiling in your head just as you would treat a drinking craving: stay distracted, as Carlos suggested,
You'll find that with time the issue will fade and she will diminish to no importance.
It's best that you told her that you don't want to see her again.