I wish I could make something to make you feel better, but of course we all know that's not really possible right now. Prayer will be your continue to be your best friend.
Right now if I were you I would limit as much of your communication with him to email. I don't think I could trust myself not to fall apart or saying something I would regret later to him at this time.
On my thread I posted about my friend's dad marrying the OW. He did not find the happiness he thought he would...
Hang in there, time will ease your pain.
Hugs
Life's challenges are not supposed to paralyze you, they're supposed to help you discover who you are. -- Bernice Johnson Reagon