The ultimate sex education primer for 21st century adults, SEX FOR GROWN UPS, proposes a rational new approach to sex based on three simple rules – that sex is complicated, that diversity is normal, and that all consenting adults have the right to orgasmic sex. Using evidence as the standard, Brame refutes existing theories on sexual identity and demonstrates how varied and fascinating sex really is. Using case studies from Brame’s private practice, and distilling a vast amount of research and scholarship on sex into warm, friendly prose, Brame compassionately explores all aspects of sex and gender diversity and, for the first time in history, normalizes sexual diversity.