I would go live an interesting life and learn and exhibit attractive behaviors. I would be "private" about my phone, where I was going, and who I was with.
Tell yourself every day that this may be the last day of your marriage. Prepare for that possibility.
Don't get caught up in what she's doing. Decide your breaking point and follow through even when it's hard.
Also don't worry about moving out (for either of you two), you're not there yet.
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.