When people talk about learning from mistakes, they often mean it in a vague, moral, almost childish way. You made a mistake. It hurt. So now you should know better. But that is not what learning from mistakes actually means. Mistakes are a problem because - when we don’t learn from them - they actually cost us more than money, time, heartbreak, or an opportunity. They cost us: the stress, the self-doubt, the replaying, the hesitation, the overworking, overdoing, and over-ch