Winning in Afghanistan is having a country that is stable enough to ensure that there is no safe haven for Al Qaida or for a militant Taliban that welcomes Al Qaida. That's really the measure of success for the United States.
I'd say to any woman get out of that bad relationship that's turning you into a shell of your former self. Learn from it and get out. Then wait enjoy yourself and your friends because when what you want comes along you'll spot it.