You write that people who divorce are often embittered. Surely so, from what I have read in the last few years ! I had no idea about that entire process previous to reading many accounts of infuriated women, mostly, and a few men too expressed their anger and frustration with "disordered" wives. By the way I just can't stand that term "ex", as in "My ex said that..."
It trivializes the marriage and the person so much.
Anyway, the only REAL way to get the fury out of one's system is to throw oneself into a meritorious project. Especially where one SEES the progress, such as painting a new Chapel or weeding a garden. Why ? Because the marriage may have lent itself to great frustration which, bottled up forever, would cause SERIOUS difficulties. Health matters, irritable behavior and worse. I was reading about the literal "panic attacks", I guess they are called ?, where the person goes crazy at the tiniest cue.
It's all that pent-up anger at the disordered spouse. I am talking about this sort of case particularly. A 'cheater' would SURELY be what is lumped together as "disordered", covering the full range from sociopath to what I might label 'damaging narcissist' instead of the popular term 'malignant narcissist' which describes better what that person's problem is, to borderline to histrionic, etc. Usually 2 or more of these are combined in the same person, leading to an intolerable living situation for the non-disordered spouse.
Many women, for that is who mainly reports their experiences, long for calm and peace. But don't know how to find it because this society can only offer Fake Buddhism, chanting, 'meditating', use of crystals, etc.
Why not get them into a really constructive spiritual situation where if not an actual monastic, they can work as a layperson at the new skete ?? Or support it financially. But better if they are involved themselves as well, to work out that acute anger & frustration. The urge to talk will dim as visible progress occurs : a new building going up, a fence being built around the cloister [ I was regarding a pic of the wood fence around Old Shamordino with a sharp eye ! ], cows to take care of, etc.