I've never done this kinda thing before. So bear with me. I was dating this woman for a year and a half. She admitted to cheating on me Sunday, the day after it happened and said it was only the one time. I believe her and I also believe that she is genuinely sorry. She want us to work through and still be together in the end. I would like that as well but the image of her being with someone else always seems to enter my mind and I get angry with her about it. I don't know how to get past it and stop picturing her like that with someone else and I don't know what to do about it.