Don’t push. Get pulled. Drew Houston, founder of Dropbox, said this: “The happiest and most successful people I know don’t just love what they do, they’re obsessed with solving an important problem, something that matters to them. They remind me of a dog chasing a tennis ball: Their eyes go a little crazy, the leash snaps, and they go bounding off, plowing through whatever gets in the way. . . . It’s not about pushing yourself. It’s about finding your tennis ball, the thing that pulls you.” We can live out our faith under obligation to all the things we…