Mel Robbins talks ‘let them’ theory, going out on tour

Author Mel Robbins sits down with TODAY’s Savannah Guthrie to talk about her new book, “The Let Them Theory,” about allowing yourself to detach from other people’s actions and focusing on the things you can control. “The more that you let other people think what they think, do what they do, feel how they feel, the better your life gets,” she says.