Ruined My 3 Year Marriage

Facebook ruined my 3year marriage to a man I onced love so much I thought we would be together forever but I was wrong it all started a girl sent him a friend request thru one of his mutual friends accourding to him he has known her since april of last year but didnt start getting serious until the end of october of 2011 he was living in my house it offically start when she sent a text message to his phone saying goodmorning baby I asked him why is she calling you baby? he started saying she just a friend then he started saying that he wanted to go visit his aunt in newyork because he hasent seen her in awhile come to find out he was going over to the girl house and spending nights with her while he living with me when he comes back to my house he has hickies all over his neck and im fighting with him for him to tell me the truth is he cheating on me then he tells me he likes her and that he is going to divorce me and that he doesnt feeel the same about me anymore that he been unhappy for a very longtime when he was sleep i grab his phone and i read all the text messages what he was writing to her telling her she has his heart he inlove with her he is moving out they talking about when the had sex when i read all this in the text message i literally screamed and started hitting him then i finally got a chance to talk to the girl who he was screwing and she told me she was inlove with him she wanted to be with him so there relatinship contiuinued while again he living in my house he continued to disrespect me coming in the house late so the weekend of my birthday he decides to go to ny and bring his paperwork to his aunt house i kept telling him you was gonna do this on the eve of my birthday?he says yes he gets mad and storm out of the house my birthday comes he working so I call him and i exspressed to him about how i felt he didnt care how I felt he told me the love wasent there anymore so i kicked him out of my house on my birthday night after that I tried to contact him one time to tell him i found his I.d but his bitch picked up the phone that I buy when i cursed him out on the phone he text me saying he is going to marry her and she will answer the phone during the divorce day I seen him he adventually apologized to me I forgive him but I cannot forget what he out me thru towards the end.. I told him from the beginning i dont wantus to end on bad terms but karma is a bitch you know so best believe what he did to me will one day come back to bite him in the ass