What’s the right amount of testosterone?

Women seem to judge potential mates by how masculine their features are, new research shows. Men with square jaws and well-defined brow ridges are seen as good short-term partners, while those with more feminine traits such as a rounder face and fuller lips are perceived as better long-term mates.

…masculine features were likely to be risky and competitive and also more apt to fight, challenge bosses, cheat on spouses and put less effort into parenting. Those with more feminine faces were seen as good parents and husbands, hard workers and emotionally supportive mates.

What are women looking for and evaluating?

Testosterone, the hormone responsible for development of masculine facial features and other secondary sexual characteristics.

Testosterone is necessary for development, but can also have detrimental effects. Increased testosterone has also been linked to male cheating and violence in relationships, so while these men might produce high quality offspring, they don’t always make great parents or faithful mates…