I've gotten some good insight recently, but, I'm not sure that raising it helps. It sometimes feels like talking about her issues is counter-productive. If she brings up divorcing me, I suppose I will reply that it isn't what I want, but, I can't control what she does and I'm going to keep working on me.
That's probably the most perfect thing you can bring up right now in MC--that's your part in this, being a good dad & working on you.
It is in the shelter of each other that people live.--Irish proverb