but what might you have done with that time and money had you not been in school? Or let’s say you’ve been a competitive runner for years and it’s still a big part of your identity—but what else might you accomplish if you weren’t slamming your joints into the pavement ten hours a week? Might you do something that makes your life, or others’ lives, more fulfilling, more productive, more exciting? Perhaps. If only you weren’t so worried about the sunk costs. If only you could quit.
