I and girlfriend had sex. Now she refused to marry me. We are in deep relation. I can't forget my past and cannot marry a girl .if I marry other girl I think I have did prostitution with my girlfriend .I can't cheat another girl because she will think I am fresh .I can't forget those sexual moments with my gf. When I close my eyes her nude body coming into my eyes .I never touched a girl accept my gf. I don't want to cheat anyone. I decide to stay way from wedding. Because I will never forget those sexual moments with my gf. We lived like wife and husband. She promised to my family that she will marry me but she broke the promise and cheated my family. Due to that my father died with heart strike. I am in a depression.