Auto dealer provides a shuttle service while car is undergoing
maintenance. I held out a $10 note. "No, you don't have to do that
.... I'm not allowed to take it."

This young man was no retired millionaire. He had pulled three years
in the US Army, with service at Guantanamo, and was now in the
National Guard. Maybe he thought that I was testing him and would
report him to his boss if he accepted. I dunno.

The only think he accepted was, "Thank you for your service to our
country."