On the value of saying Thank-You

The other day I was behind this woman in line at Walmart. She had a little 3 yr old boy with her who was working quite hard to get her attention. And it was working although it was mostly her saying “Now quit that,” and “Stop it,” and “Don’t make me have to whoop you.” It seemed obvious to ME watching this transpire that this Mom had no idea how to change her son’s...