Have several movies (or football) or whatever. One or two buddies to watch game with. Pray the night before for calm. Forgive W. Forgive her some more.
Stay out of her space, just observe.
Stick to your agreements.
You can handle it.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712