"It’s not exciting, but if you’re not responsible, you can’t take proper care of yourself. You get sick and fall apart." This truism sounded rather fatuous, pointless, and morbid, especially for a young person. "When you live a really long time," Mia offered carefully, "it changes everything. The whole structure of the world, politics, money, religion, culture, everything that used to be human. All those changes are your responsibility, they benefited you, they happened because of you. You have to work hard so that the polity can manage. Good citizenship is a lot of work. It needs a lot of self-sacrifice."