For more than 20 years, TOMS Shoes founder Blake Mycoskie has built and sold successful companies. But it was a recent battle with depression that awakened him to reevaluate his life balance and, ultimately, create his latest company. Now his newest startup, Madefor, harnesses his personal awakening to a science-backed approach to creating the habits that reinforce wellness. Later in the show, we talk with Samara O’Shea, author of “For the Love of Letters” and “Note to Self,” about the value of renewing the lost art of writing letters.