Right GL BUT, and this is a big but, I place a value on my family being together that even with my detachment and my sincere disinterest in H and my utter disappointment in him, the prospect of possibly being able to pull it together would weigh heavy on me. And I believe that would be even if I was happily remarried (which has been affirmed by other women I know who remarried)...
You let go of the guy, but letting go of the preferability of having an intact family can take a lifetime...
And let's acknowledge that there may be a difference between men and women in terms of tactics...