Thousands of years ago, Odysseus tied himself to a mast so he wouldn’t fall prey to the Sirens. That ancient trick was a commitment device—a way of designing the rules to protect yourself from your own worst impulses. In this episode, we explore how to use modern versions of that same idea: automating savings, building friction into bad habits, creating social contracts, and turning defaults to your advantage. By the end, you’ll know how to “hack” your environment so the smart choice is the easy choice—and the bad choice feels impossible.