fitness is a good analogy, but it goes both ways. introverts need a little push to work the muscles that let you socialize and interact. extroverts need a lit

fitness is a good analogy, but it goes both ways. introverts need a little push to work the muscles that let you socialize and interact. extroverts need a little push to work the muscles that let you sit quietly and contemplate. hopefully society doesn't succumb to one side dominating so half the people get to be lazy while the other half is constantly exercising. ideally everybody get a mix of exercise and rest.