They'll be back. Period. My mantra. My heartfelt belief.
fwiw--I believe it too.
This is not reality, altho it may temporarily be their reality. But I have no doubt--even in my own sitch, with my nieces and nephews--they'll eventually figure it out. xH will continue to be. . .well, xH. and they'll be disgusted at being lied to, disgusted at how they were manipulated into responding (like my former parents-in-law) and the discomfort of living inauthentically will outweigh the discomfort of facing someone they know they've behaved badly toward. some days, gardener, it's more a hope than a belief. but most of the time....
M60 H52 D20 M14 yrs OW-old gf from 1986 bomb-5/18/08 H filed for D-9/10/08 D final 4/24/09 xH remarried (not OW) 2012