The Life and Death Drives Late in his career, Freud introduced one of his most radical and controversial concepts: the death drive. In Beyond the Pleasure Principle (1920), he proposed that human psychology is governed by two fundamental opposing forces. Eros, the life drive, encompasses sexuality, creativity, connection, and all impulses toward growth, pleasure, and survival. Thanatos, the death drive, encompasses aggression, destruction, dissolution, and the impulse to return to an inorganic state of nonexistence. These are not metaphors. They are basic biological principles operating at the cellular level and manifesting psychologically as the deepest motivations of human behavior. The...