The correct British peer would no more dream of using his own title than he would of using his own umbrella, although he carries both and is proud of… - Judith Martin

One reason that the task of inventing manners is so difficult is that etiquette is folk custom, and people have emotional ties to the forms of their youth. That is why there is such hostility between generations in times of rapid change; their manners being different, each feels affronted by the other, taking even the most surface choices for challenges.

When virtues are pointed out first, flaws seem less insurmountable.

Dear Miss Manners: What is the proper way to eat potato chips?
Gentle Reader: With a knife and fork. A fruit knife and an oyster fork, to be specific. Good heavens, what is the world coming to? Miss Manners does not mind explaining the finer points of gracious living, but she feels that anyone without the sense to pick up a potato chip and stuff it in their face should probably not be running around loose on the streets.