You have gotten some really amazing advice on here.
You are LUCKY he no longer wishes to be a witness. That is one of the biggest challenges some of us on here have to face.
So yes, be THANKFUL he is done and let him deal with it his way. Maybe hes not ready to deal with his feelings. I have ex jw friends who don't like discussing their JW past. Everyone has their own way of dealing with it-like dubstepped said. If you need help dealing with your family, maybe you can seek therapy? Or like Wake me said, you can vent on here. I know that helps me a great deal.