“The Gator doesn’t take requests. You can’t reason yourself into falling in love, despising ice cream, or enjoying parsnips (which are clearly odious). It’s possible to override gut reactions, but it’s not easy. When disgust researcher Paul Rozin asked adults to eat a piece of chocolate shaped like dog doo, 40 percent couldn’t do it. (Toddlers, however, had no Gator conflict and happily ate poo-shaped food.)”