No matter where you are in your life, whatever set of people you're with, it all still breaks down like high school does. You have your social cliques, you have the people you get along with, the people you don't and the people you're ambivalent about. All of the dynamics are still here.
Many memory techniques involve creating unforgettable imagery, in your mind's eye. That's an act of imagination. Creating really weird imagery really quickly was the most fun part of my training to compete in the U.S. Memory Competition.