1) Married couples report greater sexual satisfaction. The highest levels of sexual satisfaction were reported by individuals who were in married, monogamous relationships, while those who were single or cohabiting reported slightly lower levels of sexual satisfaction.
2) Being married increases the likelihood of affluence. This association applied to all age groups.
3) Married men make more money. Taking into consideration a number of factors including educational attainment, compared with unmarried peers, married men earned, on average, 20 percent more in wages.
4) Marriage is associated with a lower mortality risk. Compared to married individuals, those who have never been married had nearly twice the mortality risk. Divorced or separated individuals ran a mortality risk more than 50 percent higher than those who were married. The black-white mortality gap narrowed when marital status was taken into account.
http://www.familyfacts.org/briefs/1/the-benefits-of-marriage
5) MARRY A YOUNGER WOMAN. By choosing a bride 15-17 years younger, a man can cut his risk of premature death by 20 per cent. Even choosing a wife seven to nine years younger will reduce his risk of dying early by 11 per cent.
http://www.dailymail.co.uk/health/a...er-woman-save-life-sends-HER-early-grave.html