I was having sex with my girlfriend the other day and she was calling my name out and in the middle of it but then she let her ex's name slip in! I jumped off right away and just sat there in a daze. I then got a shower and left her apartment after telling her I needed some time to think. When I came back later that day we sat down to talk about it. She was crying and said that she wasnt and doesnt think about him during sex, let alone anyone but me. She said that she doesnt have feelings for him anymore, and is only attached to me emotionally, romatically, and physically. She also said that it was the worst thing that she has ever done, and to please forgive her. She was with this guy for 2.5 years, and has been broke up for 3 months, we have been together (having sex) for 2 months. She also was saying that she has never been treated as well as I treat her, and that she hasnt liked anyone as much as me in such a short amount of time. I want to believe her, but this was a big bump in the road, one that I am trying to get over and hope I will. However, it makes me sick to my stomach when I think about it and I dont want to touch her. Does anyone have any advice on what to do, or if it has happened to you personally????? HELP!!