 It was more important to pay attention to not eating poisonous berries than to really savoring the good ones. You had to pay more attention to predatory lions. If you miss out on a great opportunity for good food or sex or any other life-affirming thing, well, okay, that's too bad, but you might have another one the following day. But if you miss out on a dangerous predator fail to notice, that will put an end to your life. And so part of the psychological mechanism underlying our work is that