LE - just checked in. Lots going on today. I know you are really POed. I think you are on the right track to get close to the kids and get shared custody. Your kids are the most important people in your life right now and they need you to be the strong dad they love. Get focused on them and you.
Don't worry any more about W. She has to answer for her own actions. You just get on with life.
Also stay away from an EA until the papers are signed. Will give you a clear mind and soul.
