At the whim of the husband, he can walk off with some 25-year-old cutie pie and destroy everything the wife has worked for, too: home, happy family, financial security, etc.
Yup! I've seen it both ways. It's why I'm still single.
If I don't sense the DESIRE for loyalty that matches mine early on in the relationship, I drop 'em like a hot potato! My mom's old college roommate used to say: "If propinquity doesn't 'propink,' forget it!"