The section you are reading is about women's health. The answer, like marriage itself, is a glorious mess. Marriage is pretty good for the goose much of the time, but golden for the gander practically all of the time.
Marriage has a beneficial effect for both men and women, but the effect is much stronger for men.
Men may resist, they may kick and scream about getting married, but then it does them a world of good. In the Beginning A little background first. Researchers first noticed the benefits of marriage to men's health and longevity in the mid-19th century. Ms. Bernard presented data indicating that while married men scored higher than single men on measures of mental health like depression, severe neurotic symptoms and phobic tendencies, the opposite applied for women. Other researchers of the era came to similar conclusions, and to this day the belief persists that the ranking of personal satisfaction runs from married men at the blissful peak, followed by single women, married women and, lastly, by single men.