A. From 'The Rules of the Game': what you must understand is that everyone has his reasons.
A. Being gravely ill and dependent.
A. Speaking a foreign language fluently.
A. Eating dinner outdoors in a piazza in Rome with my wife. (What makes this idea of perfection particularly appealing is that you can actually do it.)
A. People using cell phones in the street. Not getting a live person when you call customer service.