Drunk teenagers have sex at someone's party. Colleagues who have worked together for years suddenly lose their minds during a business trip. A woman seduces her husband's best friend. The boss gets involved with the secretary and becomes everyone's laughing stock. After all this, they ask the question “Why?”, because they didn’t want anything like this. Renowned British biologist Robin Baker offers a truly revolutionary approach to explaining our sexual behavior. An extremely frank, provocative book destroys pious myths and reveals shocking reality.