““Oddly, a handful of studies argue that vasopressin afflicts the sexes equally when it comes to … song and dance. A little background: Theorists have long nursed a hunch that music and dance both evolved as aids to human reproduction—but probably not in the way you think. Both these rhythmic behaviors helped mothers to calm offspring so that the wailing wouldn’t attract predators, and the mother could get some work done. That part of reproduction. From there song and dance broadened into mating displays that advertised a person’s physical and intellectual quality.””