How does having a long-term partner affect hormone levels? Testosterone. It’s what makes men, well, men…in part, anyway. It deepens our voices, grows the Adam’s apple, increases muscle mass and strength, and increases hair over the entirety of the body. … Read more

How sexual personality traits influence infidelity Many of us are still a little dumbfounded about why Arnold Schwarzenegger would have an affair with his housekeeper while married to the likes of Maria Shriver. A new study by researchers at Indiana … Read more

Film explores challenges faced by monogamous couples   On the surface, the movie Hall Pass challenges traditional notions of monogamy. But, in the end, the romantic comedy is an all-out endorsement of monogamous marriage…even as it explores “permission” to stray. … Read more