Most people don't grow up. Most people age. They find parking spaces, honor their credit cards, get married, have children, and call that maturity. What that is, is aging.
Above all, beware of compromises. I do not mean that you are to get into antagonism with anybody, but you have to hold on to your own principles in weal or woe and never adjust them to others "fads" thought the greed of getting supporters.
To each there comes in their lifetime a special moment when they are figuratively tapped on the shoulder and offered the chance to do a very special thing, unique to them and fitted to their talents. What a tragedy if that moment finds them unprepared or unqualified for that which could have been their finest hour.