The same guy who pays for all wedding rings: some sucker blinded by butterflies who deluded himself into believing all that "till death do we part" crap.
Or it could be that he was the POS that decided, in his 40's or 50's, that he was entitled to a younger woman with plastic boobs! Without knowing the whole story all you "men" automatically decide that it's always the woman's fault and the guy is the sucker.