People buy a lot of books about sex. They may not always want to talk about it, but they sure have a lot of questions. It's one of the most common marriage issues, responsible for heartache, dissatisfaction, and distance. In fact, over 70% of couples are mismatched in expectations and frequency alone.In the largest study ever conducted about sex, relationship researcher Shaunti Feldhahn and nationally renowned sex therapist Dr. Michael Sytsma uncover the most urgent sex-related issues for the average married couple--and give you workable solutions and lasting hope. Full of perspective-changing insights, biblical truth, and straightforward, practical advice, this is more than just a field guide to good, mutually satisfying sex. It's the map to intimately understand your spouse and create the marriage you've always wanted.