>>5520514Chads are kinda nerds with a higher potential for aggression ... both phenotypes are controlled by testosterone exposure of the developing brain of the embryo. Problem is that test is a double-edged sword in this ... it can make you a genius but in the wrong dose and timing it has a negative impact on intellectual ability.
In the end, both are an old hunter-gatherer heritage as compared to the more 'tame' agriculturalist-adapted clades of humanity.
