Results from U.S. data say that marriage had been a positive outcomes on BMD (significantly for those who are married men over the age of twenty-five, who showed better bone mineral density as opposed to men who are divorced, widowed, or never married at all).
There were mixed results for married women. Marriage, by itself, I'd not in fact lead to healthier bones (but those in a good marriage did). Women who reported having rather supportive husbands (who did truly care about them) had stronger bones.
According to the website, The Art of Manliness, married men are "happier than their single counterparts." From the Joirnal of Marrriage and Family, their are studies showed that 40% of married couples said they were generally happy with their lives. Meanwhile, 25% of single people said married people were. Bigger smiles might also be the result of of marriage since married men are have more sex than single men. Although, marriage also "provides incomparable companionship and forces people to commit something bigger than themselves" (which can contribute to a person's happiness).