In 2003, bestselling author and relationship expert Michele Weiner Davis' groundbreaking book, The Sex-Starved Marriage described the problems that occur in marriage when one spouse is vastly more interested in sex than the other and more importantly, what the couple could do to fix things. The book created quite a stir, but no one expected what happened next.

Weiner Davis was flooded with e-mails, letters, and phone calls from women, not with "headaches" and other predictable excuses for avoiding sex, but from women who were desperately unhappy because their husbands...