Hmmm, I have a little different view on this.
I think it might be a bit simplistic to call what happened with McCain a MLC. I'm no fan of the man, although I think anyone who survived 5 years as a POW in Vietnam deserves respect.
The horror of what he'd been through as a POW had to have severely affected him mentally. It's difficult to say, I think, that he abandoned his first wife simply because he was having a MLC. I suspect it had a lot to do with finally realizing he had been given his life back and wanting, as his first wife said, to make up for lost time.
None of our MLCers have undergone anything close to what McCain endured. Again, I don't admire the guy but I can see how the experience of being a POW would warp his mind as to what his "duty" was and that he would have felt an overwhelming compulsion to live again.
His wife's accident may or may not have had an effect on what he did. He could have just as easily cheated on her if she was still the beauty she'd been when he left.
I think it's more the fact that McCain was ambitious, wanted money to fund his political aspirations, wanted to sample all the candy that he could, and found a woman who was willing to commit adultery with him.
This story was out there during the 2008 campaign, although not widely discussed. I remember the Washington Post did an article (or maybe it was Vanity Fair) somewhat similar to this one, although not as negative during the campaign. It covered the same facts, though.
The concensus of the articles I read then was that McCain's first wife kept silent because of the medical support McCain gives her. Obviously, she has had, and will continue to have, medical issues.
A sad story. I've also read that Cindy McCain has not been the greatest step-mom in the world and that she is, herself, the result of a mid-life affair and then marriage of her father to a younger woman. She has an older half-sibling who she has no relationship with whatsoever.
TMHP
M 40 yrs.
BD 1/11
Began living with OW 1/11
Divorce final 8/13
Ex married OW 6/15
God, grant me the serenity to accept the people I cannot change; the courage to change the one I can; and the wisdom to know it's me.