The national bestselling book Why Him? Why Her? shows how a better understanding of who you are will help you find and keep the love you want Why do you fall in

An exploration of human behavior examines the innate aspects of love, sex, and marriage, discussing flirting behavior, courting postures, the brain chemistry of

A groundbreaking exploration of our most complex and mysterious emotion Elation, mood swings, sleeplessness, and obsession—these are the tell-tale signs of so

An anthropological study of human sexuality considers the influence of bipedalism on radical changes in female sexuality, which in turn affected the development