Why would you say "of course you should go meet your friends"? Is it not on a weekend she is supposed to have the kids? Now you are encouraging her to go?

You should have plans the weekend she is supposed to have the kids, if she wants to do something else that´s her problem to solve, not yours.

Me: 38
Stbxw: 35
No kids
Mini bd: February 6, 2019
ONS confirmed Sept 7, 2019
Told her to move out: September 8, 2019
W moved out: September 28, 2019
Divorce filed by me: September 23, 2019