Evolutionary psychology professor, author of ‘The Mating Mind’, ‘Spent’, ‘Mate’, & ‘Virtue Signaling’. B.A. Columbia; Ph.D. Stanford. My research has focused on human cognition, machine learning, mate choice, intelligence, genetics, emotions, mental health, and moral virtues. Interested in long termism, X risk, longevity, pronatalism, population ethics, AGI, China, crypto.