Men May Have Natural Aversion to Adultery with Friends’ Wives, Says MU Researcher
Findings about testosterone levels illuminate how humans evolved to form alliances
COLUMBIA, Mo. – After outgrowing teenage infatuations with the girl next door, adult males seem to be biologically designed to avoid amorous attractions to the wife next door, according to a University of Missouri study that found adult males’ testosterone levels dropped when they were interacting with the marital partner of a close friend. Understanding the biological mechanisms that keep men from constantly competing for each others’ wives may shed light on how people manage to cooperate on the levels of neighborhoods, cities and even globally. (more…)