Moralistic Emotions (quote)
Follow up to Reciprocal Altruism Humans are, of course, a brainy species, and are zoologically unusual in how often they help unrelated individuals (Chapter 3). Our lifestyles and our minds are particularly adapted to the demands of reciprocal altruism. People have food, tools, help, and information to trade. With language, information is an ideal trade good because its cost to the giver—a few seconds of breath—is minuscule compared with the benefit to the recipient. Humans are obsessed with individuals; remember the Blick twins from Chapter 2, one of whom bit a police officer but neither of whom could be punished because each benefited from reasonable doubt that he and not his twin did the deed. And the human mind is equipped with goal-setting demons that regulate the doling out of favors; as with kin-directed altruism, reciprocal altruism is behaviorist short hand for a set of thoughts and emotions. Trivers and the biologist Richard Alexander have shown how the demands of ...