Want to quit? Good. Learn to shape your life without fear--at work, at home, in relationships, and beyond. "Compelling," (Cal Newport) "Liberating," (Amy Dickinson) and "as entertaining as it is important" (Steven Levitt). Simone Biles quit the Olympics. Prince Harry and Meghan Markle quit The Firm. Millions of people have quit their jobs, seeking happiness and defining success on their own terms. Is it...