"Be a royal guard, mother said... do your part for the kingdom, mother said... I'm sure you won't have to deal with evil princesses, chaotic gods, stuck up princes, troublesome brats and failed invasions! I hate my job...
With aging we grow up either to knowing more about the world or nothing at all. We learn and evolve throughout our lives leaving things we use to do in the past. Soon those thing becomes nothing more than just a memory.