One Tool For Investing in What Matters

Habituating investment—every financial guru, economics professor, and money manager will tell you it’s the key to success. Put a little aside every month, they say. Watch it grow, they say. See the impact, they say. But we all know the tricky truth: Habituating financial investment is hard. My 401(k) balance proves as much.

What holds true for investing in the market holds true for my marriage. And my kids. And my spiritual life. And my creativity. But investing in these things—the things I...