It sounds like your efforts to spur conversation are unproductive.
MWD says to do what works. If you don't know what works, then stop doing what doesn't work. In this case, your initiating conversation is counter productive.
From what I can see, when you two talk, she takes it as you are trying to fix her or guide her. Try rereading the validation thread and work on listening more.
Maybe your W is just picking a fight though. If she is clearly picking a fight, you don't have to engage.
H 34 W 29 BD 3/12/18 Divorce Busted Spring 19
It is not things that bother us, but the stories we tell ourselves about things.