Probably. For a ton of reasons. And I hope it is, so we can move on to whatever the next stage will be. He was devastated and depressed for a long time when they split 20+ years ago, so I'm sure it will send him into a tailspin this time around too.

Oh--did you mean the A will be short-lived, or the damaged relationships with inlaws and friends?

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