How to get over or get back wife?

hi my wife and i have a 5yr old little girl we have been together for 6/7 yrs she left me again for the same man she left me for 3 times we have been to court for izzy its like 50/50 me having a little more time then her i love her soooo much but it seems like she dont care she was back for a little over a mo this time mind you we had court on the 24th of may and she was gone a week later when she was back she said and showed me love most of the time and i asked her ?s cause of of trust issues and she knew that when she came home when we when to court she i dropped everything for to show her i loved her but i did make it so her boyfriend cant be around or baby ever because this guy is bad news he has hit izzy and called her names like little bi@ch and crystal has put a resting order on him but she dropped it i have tryed and tryed and she dont care she said i have ruined her life