Two Guys on Your Head Two Guys on Your Head > All Episodes April 28, 2017 Hate By: Rebecca McInroy Listen Copied to clipboard! Subscribe to Show What is the point of hate? It feels bad, it causes all kinds of problems, and it destroys relationships. So why did hate persist as we evolved? In this episode of Two Guys on Your Head Dr. Art Markman and Dr. Bob Duke talk about the psychology of hate.