About 30 years ago, an incident took place between me and my eldest daughter, then 6 years old. Oddly enough, it had to do with money.I have forgotten the exact circumstances that led up to this, but at one point our family had been sitting around the kitchen table, my daughter with 10 dollars in her hand — 10 one-dollar bills. I thought it might make things easier for her—or maybe I needed the ones, I can’t remember—so I asked her if she would give me the 10 one-dollar bills in exchange for one 10-dollar bill that I had taken ...