Since my ex-boyfriend broke up with me back in August of this year,I have not been worrying about him and his new girlfriend,but last weekend totally blew it for me,I still can't believe that I would stay the night at his new girlfriend's house,when maybe I shouldn't of in the first place because when she called him he was saying the only reason he cheated on me with her is my friends always caused drama for him and I,though the only friend of mine only did cause drama because she was one of his...