I want to break up with my girlfriend, recently she has been putting on weight. On top of that she is nagging me constantly, calling too many times when she knows im at work, suspicious of me that I am cheating on her. The scary thing is....I am cheating on her. If she realizes her suspicions are true, and finds out Ive been cheating, she will go crazy. If I brake up with her, without a good excuse, im afraid she would go insane. I mean I don't want to tell her im breaking up because shez gotten fat, coz shed just slap me. Whats the safest way to break the news to her that its time we end this relationship?