Don’t let negative thoughts or fear mess with your performance. Psychologist Cindra Kamphoff, who helps athletes and business leaders keep their confidence in high-stakes situations, offers anxiety-busting tools from her new book. Anton Vierietin/Getty Images/iStockphoto hide caption toggle caption i Anton Vierietin/Getty Images/iStockphoto Never miss a story or episode from Life Kit. Sign up for our
