When you make "controlled fear" a regular part of your entertainment and lifestyle, you build an unstoppable reserve of confidence. You realize that feeling afraid isn't a signal to stop—it is a green light telling you that you are about to grow.
"Naked Confessions" and deeper insights into the mental state of the contestants. The Common Misconception: Is there Nudity? Naked And Afraid Uncensored
For books, try searching on Amazon or Goodreads. When you make "controlled fear" a regular part