What is the true origin of forms of love such as kissing and hugging? What underlies human sexuality? In his work, the great Italian criminologist and physiologist Cesare Lombroso draws on behavioral psychology—looking at people through the lens of their sexual drives. He examines the origins of universal instincts and traces parallels to how these instincts develop in the animal kingdom. Learn how philematology emerged and what physiological and psychological characteristics define the human kiss as a way to express emotions! You’ll immerse yourself in the atmosphere of debates about the nature of genius and humanity’s progress in love that continue to this day!