When I worked security at a facility for the elderly, I soon figured out that young jerks become old jerks with the passage of time. Once
I was called to restrain a dementia patient not many years older than I. He had worked as a manual laborer. The man was tearing me a new ass. I stepped back and asked if he would enjoy a Coke. He replied that he would love one. He got it too. Saved by good manners.