Only you can make your decision to divorce. You have to looked deep within yourself to make sure this is what you feel is best for you. Do not worry about it threats of hurting himself that is not your problem. Think of yourself and your child. If you truly feel this is what needs to be done then get youself and lawyer and file for divorce. In reading what you say it would be no surprise to him. DO NOT LET HIM CONTROL YOU. That is what he is trying to do. Be strong and follow you heart. You will make the right decision for yourself and your child. I am here to take if you need. Be true to yourself!