He's trying to make a fun explanation out of an extremely simple scientific concept. When they step onto the stage, there is this sort of wall of screens at the back of the stage that has a profile of a thin white woman in a bronze panties. He ends up doing this thing where he talks about how your cones syrup affect your hunger and satiety hormones. And then he lifts her off the ground. I don't need to know why he's hooking her into a sex swing.