Boys tend to be more physically status orientated and risk taking. Girls are also a hierarchy in status orienta, but they do it in different ways that are perhaps less risk taking. But i think there is some pretty good evidence that there's an age difference in the development of some of those personality trads great.
Shermer and Reeves discuss: • comparison method: U.S. vs. other WERID countries • education • work/labor market • family • marriage • Divorce/custody/spousal support/child support • intersectionality I: Black boys and men vs. White boys and men • intersectionality II: poor boys and men vs. middle class/upper class boys and men • What is a man? (nature and nurture in the making of a male) • what the political left gets wrong about boys and men • what the political right gets wrong about boys and men • solutions: red shirt boys early; men in STEM and HEAL • fatherhood as an independent institution
Richard V. Reeves is a senior fellow in economic studies at the Brookings Institution, where he directs the Boys and Men Project and holds the John C. and Nancy D. Whitehead Chair. He is the author of Dream Hoarders: How the American Upper Middle Class Is Leaving Everyone Else in the Dust, Why That Is a Problem, and What to Do About It(2017) and a regular contributor to the New York Times, Washington Post, Wall Street Journal, and The Atlantic.