Boys are not girls. And while there are notable exceptions and not everyone fits the gender mold, girls tend to like to be on top of things and to feel stressed when they fall behind or have too many things on their to-do list. Then, of course, these girls grow up and many of them become moms. It’s moms who most frequently oversee their sons’ homework. The result? What we’ve come to think of as the Dopamine Wars.

