she cheated on me with a guy i know 3 weeks ago and lied about everything since was prepared to split with me then i found out the truth and we are still split now i have been with her for 9 years and have a son together this is totally out of vharacter but tells me she dont find me attractive anymore and dont want me anymore the strange thing is up untill that night she went out and kissed this guy we was very happy and she admits this , the problem is i ahve asked for her back and she dont want me still how do i let go and is this just a case of her thinking the grass is greaner