About five years ago, I was considering making a major career shift. I’d been working at a job I liked for several years, but the industry I was in did not excite me the way my volunteer work in animal rescue did. I’ve loved animals since I was a kid; the volunteer work filled me with a sense of purpose, and seeing the immediate outcome of my work (deserving animals going to good homes) made me feel deeply satisfied. It seemed obvious I should try to get paid to do it. I began looking for jobs at shelters and humane societies, but the more I applied and interviewed—even to the point of being offered a job—the less enthusiastic I became about making the change. I’d wanted this forever. Why was I hesitating?