This is caused by what social scientist call “Social Support.” Husbands call it nagging. Apparently nagging has all kind of mental and physical health advantages. Men, try to remember that next time your wife starts lecturing you.
Research clearly shows that overall, marriage makes both men and women happier. Why? Well, it seems that the health benefits, and the happier condition of married folks, are tied to the same fact – marriage defines a relationship in a way that just sharing a living space with someone can never do. That definition provides protection, security, and benefits that has no other relationship equal.
Take Away: Marriage is a doorway to happiness, not an obstacle to it.