1. The kids definitely know something is off and yes, are more dependent on dad--for everything. This has its pluses and minuses.
2. Re OM, the thought has crossed my mind as I've lived that nightmare twice before and it's always a possibility, but here's why I think that's not in play right now: W has never previously hid the OMs from me; W is at home almost 24x7 due to COVID 19, so is not going out all the time; and W is not exhibiting the "I'm trying to attract a man" behaviors that she had previously.
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