AM IN SERIOUS TEMPTATION (Page 2)

I am a 30yrs old graduate of computer science, plz advice me with all seriousness, it might suprised u to hear this, at my age i had never had sex before but there is a girl am dating since my first yr in the university, i fell in love with her bc i discovered she was also a virgin then, i walk up to her and talk to her so we can start up a sincere relationship to avoid sex until we get married. she tot i was joking, bc she said men are always after sex, i was able to convienced her, so we started the relationship, she visit and even cook and wash my clothings. we were really in love my elder sister was aware. i was 2 yrs ahead of her in school, when i graduated and went for service she was alone. Few of my frds that were stil in school started tellin how the girl move around with boys, when i asked her she denied. one day i paid her a suprised visit and on an ungodly hr, behold i saw a guy lieing on her bed nacked sleeping, she was in the rest room. when she came out she was shocked. I went back home, she came to my house the next day and started begging, i asked her this question are u stil a virgin she told NO, me without hesitation and that she is sorry she will make it up to me. that was how i forgot about her, i hv been in the states since then for my masters, i just came back to nigeria i stil hv not slept with a woman. when she head of my arival she came to my uncle's house were am staying, she is been begging me to marry her. Pals  advice me, i hate disapointment and beside i dtnt love her anymore.