I think the first thing you learn to do as a kid is experiment. You’re encouraged to walk, which is no doubt a semi-terrifying experience to the brain: for almost a whole year, your body has been picked up, or low to the ground, and then suddenly your parents, who are the protector of you are encouraging you to stand on two wobbly feet, and move your own body. At first, we’re terrible at it, but we’re encouraged to keep trying, and one day, a crawl…