What is polyamory? ... The evolutionary origins of romantic jealousy ... How polyamorous couples manage jealousy, insecurity, and time ... Bob extols the benefits of long-term monogamy ... Geoffrey’s advice for young men who can’t find romantic partners ... Do smaller polyamorous communities get a little, well, incestuous? ... Why are fewer young men having sex regularly? ... Geoffrey: The ethics of polyamory set it apart from casual dating ...