So when I got out of the military, I went back to school in biology, and earned a biology degree at the University of Texas, and then did some graduate work in it.
Other people, including me, have written books with main characters who were old and rich. Or old and brilliant. Old sages, old wizards, old rich people.
You can also make explicit certain social problems which, again, would be prejudged or not encountered at all in real life, because people have set up defenses against it. Fantasy allows you to get past defenses.
But in fantasy, you can make a complete break, and you can put people in a situation where they are confronted with things that they would not confront in the real world.
When a person responds emotionally to intellectual things, or emotionally only to traditional emotional things - I find that an interesting break between myself and some other writers and fans.