“Well, yeah. It was there with the Greeks, the idea of public spheres and private spheres, but it goes back further. Think hunter-gatherer communities. Biologically, we’re suited to different things.” “We?” I said. “Men and women, Mom.” He stopped crunching and flexed his right arm. “See this? You could go to the gym every day for a year and you still won’t have muscle like I do.” He must have seen the look of pure disbelief on my face, because he reversed course. “I don’t mean you’re weak. Just different.”