Sir John Hargrave offers techniques for how to reprogram your thinking to be more productive and focused. Hargrave is the author of Mind Hacking: How to Change Your Mind for Good in 21 Days. Drawing from his experience going sober, Hargrave's developed a system for hacking into the mind: getting the bugs out, deleting loops, and upgrading the OS. In our interview, he talks about how to take control of your mental space, the power of repetition, and a little exercise called, "What Was My Mind Just Thinking?"