If she is trying to leave and you take away her keys that is controlling.
Some WW leave their H. Some leave H and kids. It stinks but at this point don’t try and stop her. You can only control you. Be there for your kids even if it is 100% of the time. Get a L and record her absences.
I’m sorry this is happening to your family. You really need a L to protect you and your children.
Gordie 40s W 40s M20+ kids 2016 BD W fantasy affair w OM1 I do everything wrong 2017 I start to DB W says TLTL files for D PA w OM2 2018 I do LRT W drops filing and OM2 situation slowly improving