Kara Goldin is the Founder and CEO of Hint, the company that is best known for making unsweetened flavor water.But her path to creating a successful product wasn’t an easy one. She was turned down, discouraged, and outright rejected along the way. But, she persisted in creating a successful company.She’s now also a bestselling author. Her book, Undaunted, is a Wall Street Journal bestseller. In it, she shares how she overcame people who doubted her as well as her own self-doubt.Amy talks to Kara about how to overcome self-doubt, how to deal with other people who doubt you, and the one question you should ask yourself when you're afraid to do something.