Selection for Friendsliness and Evolution in Humans

Theory of self domestication applies to humans, says evolutionary psychologist. Four out of five species went extinct with combination of traits that allowed us to thrive and survive: "I think it was a process of selection for friendliness" If this is a process that's going on again and again, Selection for friendliness then leading to changes in all mind, brain, body, what about our own species? And so we spent a long time contemplating that," he said.