As said. Do not walk away, it can be twisted into abandonment. Stay until an order tells you to leave. Keep money's in the joint account. Not alot, but keep something in there. If she spends it, put a little more in.
The main advice I have to give concerns the kids. Both of you love your...
Pandora.. after 10 years or so of "teaching" it what I like, it's pretty good.
As you thumb up or down it starts to learn your choices. You have several selections from "crowd faves" to "deep cuts" and a few in between.
As they grow older and move out, A Gift of Triple A is almost a gift to oneself. The piece of mind in knowing someone is coming to help when you can't is worth the $125 a year!
I have since put the door locks back on. Added an aftermarket alarm that isn't turned off when the doors are unlocked. I have also added 2 immobilizers (fuel and ignition) and most importantly upped the insurance.