"Never hug and kiss them, never let them sit on your lap. The end result is a happy child, free as air, because he has mastered the stupidly simple demands society makes upon him." Psychologists know best, and in the 1950s they warned parents about the dangers of too much love. Besides, what was "love" anyway? Just another name for children seeking food and adults seeking sex. It took Harry Harlow, a deeply unhappy man who knew in his gut the truth about what love - and its absence - meant, to prove otherwise. His experiments, and their results, shocked the world.