Life involves a constant series of mental adjustments which are increasingly required as we age. We slowly come to understand the way the world operates and our place within it. The irrationality we face daily must be put into perspective if we are to retain stability and a sense of meaning.
In some ways being young shields us because a sense of mystery about the machinations exists before we come towards more disillusionment where we are unlikely to be distracted by shiny objects.
However, many people, irrespective of their age, navigate life by avoiding introspection and look for the next event or purchase to bring them what eludes them.