Not where I come from.
My grandparents went past seventy years of marriage, and my parents are working on 55. This will be 31 for me this year.
Commitment is just something you do, not some special talent or any sign of natural moral superiority.
That a man could do what Spitzer did to a wife and three kids, never mind his thousands of supporters, is incomprehensible. And for a moment's selfish physical gratification. It might at least be understandable, if no more justifiable, if he had done it for some great romantic love.