Title: Why is sex fun? : the evolution of human sexuality /
Authors: Diamond, Jared M.
Publisher: HarperCollins,
Year: 1997
Subjects: Sex; Sex customs; Sex; Sexual Behavior
Contents: Preface -- 1. The animal with the weirdest sex life -- 2. The battle of the sexes -- 3. Why don't men breast-feed their babies? The non-evolution of male lactation -- 4. Wrong time for love : the evolution of recreational sex -- 5. What are men good for? The evolution of men's roles -- 6. Making more by making less : the evolution of female menopause -- 7. Truth in advertising : the evolution of body signals -- Further reading -- Index.