Dr. Nate Zinsser is a renowned performance psychology expert who has taught three generations of soldiers, athletes, and executives to master the art of confidence and mental toughness. His new book The Confident Mind details the keys to achieving and maintaining confidence regardless of what arena you are trying to master.
The Confident mind : https://www.amazon.com/Confident-Mind-Battle-Tested-Unshakable-Performance/dp/0063014831
Dear Dr. Psyche : https://shorturl.at/erGHS