I don't know all of your circumstances but you have to figure out what is right for you. Read DR chapter 9, the second story of Carol. Her H was in an A with a woman and she chose to be his friend through it and they achieved success. This was the story in the book that I felt was most like mine.
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