Have you read "Co-dependent No More." ?? I'm in the middle of reading it right now and it seems like it might be something that could help you and your situation. Heck, I would even suggest possibly reading it at night with H if he's willing. It may be an eye-opener for you both.
Me: 32 H: 32 M 9 yrs #1 D7 #2 S5 #3 D2 Bomb 8/12/11 H moved out 8/14/11 PA started w/H & OW in 1/12 - found out 3/24/12 Got my own place 8/25/12 H & OW move in together 9/15/12 Still married.