Until very recently, no society had seen marriage as anything other than a conjugal partnership: a male–female union. What Is Marriage? identifies and defends the reasons for this historic consensus and shows why redefining civil marriage as something other than the conjugal union of husband and wife is a mistake.
Originally published in the Harvard Journal of Law and Public Policy, this book's core argument quickly became

The idea of this book began in a conversation David Blankenhorn had with the president of Freedom to Marry, a group advocating equal marriage rights for same-sex couples. This man asked Blankenhorn, a leading figure in the “marriage movement," to endorse his group's objectives. Feeling a bit defensive, Blankenhorn replied, “Every child deserves a mother and a father." The Future of Marriage is the result of that conversation. In their

Warning! New parents are likely to experience:

Scorekeeping—An exceedingly complex, often relentless, tit-for-tat war waged by husbands and wives over the division of parenting responsibilities and domestic chores.

The Ten O'Clock Shoulder Tap—Considered by many men to be a form of foreplay. A paw on a wife's shoulder is how some men indicate their desire for sex. The Tap is rarely accompanied by a term of endearment or