The Let Them Theory: A life-changing tool that millions of people can't stop talking about by Mel Robbins hardcover ISBN 9781401971366 EUC, excellent used condition no signs that it has been read, some light damage to the cover "Two Simple Words Will Change How You Think About Your Entire Life If you're struggling to achieve your goals or feel a little happier, the problem isn't you. The problem is the power you give to other people. In this book, you'll learn how two words-Let Them-can set you free. ... Let Them is a simple tool that millions of people around the world can't stop talking about because it works. The fastest way to take control of your life is to stop trying to control other people and focus on what you can control: yourself. By letting other people live their lives, you finally get to live yours." questions? please ask!