Years ago, one of my little sister’s least favorite jobs was sweeping the kitchen floor. Although the kitchen was small, the chore would take her forever, and she would often sit there amidst the scattered chairs, broom in one direction, dustpan in another, particles of dust and crumbs trickling into an attempted pile. Suddenly, however, this forlorn picture was transformed. Although young, my little sister soon became one of the best sweepers. I’d also venture to say that this chore became one of her favorites. What changed? One day, our dad—likely when my sister was sitting amidst a pile of scattered dust and crumbs—came up to her and walked her through the chore, teaching her to methodically go over each floorboard. That simple training, parent with child, side-by-side, doing a chore together, turned that miserable job into something my sister, young as she was, could be quite successful at. That …