One of the hardest things that some people ever do is transform themselves from a person full of self-doubt to a self-assured or self-confident person that believes in themselves. But, the truth is that no matter where you are in life right now, no matter how many mistakes you’ve made, opportunities you’ve passed up, or what’s happened to you in life, you can change your self-doubt to having self-confidence and start believing in yourself. This is true even if you had a poor upbringing and even if you’ve never believed in yourself before. It’s within your power, and it will change your life completely. As a child, I remember being teased…