Suggestion for devorse.

Sir, Due respect I lay before you a few following facts for your suggestion whether I devorse my wife ? 1. My wife separated my 73 years old mother since 5 years. My old mother has to cook her meals herself. Nowadays she do not cook meal for me also. 2. She do not respect my family members. She do what she wants to do . She go out from my house anytime anywhere and returns after so many hours alone or with my 11 years son. She do not bothers anybody. 3. She keeps aside my son from me. I can not go out with my son , she do not give permission him to go with me. 4. Now she is in extramarital affairs with a man. She always calls , facebook messenger chats with the person . One day I took her phone and hacked . Than I got all her calls and massenger chats with the person ( for 5 days ) and conferm that they are in physical relationship. Almost every night ( 12 am to 4 am) they are start sex by phone , I mean they start facebook messenger chats , call, video call and exchange nude/ semi nude photo. Can I get facebook messenger chats like call details and how ? She wants I may die. Please give me suggestion whether I devorse her or not. She broken my house and my faith and my mind, I do not want to stay with her.