Be careful how you respond

I was taught a harsh lesson by a six-year-old this weekend. Charlie was helping clean up after lunch on Sunday. I made a feast fit for a royal family (OK, really it was nuggets, fish sticks and french fries. But my kids loved it). Lunch was over and I asked Charlie to take the ketchup to the fridge and put my Batman glass on the counter. He decided to make one trip out of it...