Self-knowledge: what is it good for?
Marvin is a delusional dater. He somehow talked the gorgeous Maria into going on a date with him, and today is the day. Maria is way out of Marvin’s league but he lacks self-knowledge. He thinks he is better looking, better dressed, and more interesting than he really is. Yet his illusions about himself serve a purpose. They give him self-belief and as a result the date goes better than it would have done otherwise. Maria is still out of Marvin’s league, but is at least impressed by his nerve and self-confidence, if not by his conversation.