The only way to deal with her is to not deal with her. You have to focus on yourself right now. It's the only thing to do. You cannot change her or the path that she's on.
Keep your D out of it. Can you tell us a little more like how long together and married and how many kids and their ages?
Keep reading here. You'll need it for the ride.
Luv
M44 H41 M20 T23 3 older teens Bomb Nov 09 "i'm not happy" EA Nov 09 w/coworker Another PA in Mar 10 I Filed Apr 10 D final Dec 10