selfcofidence is a feeling that we get as a ressult of what we think , what we do with our body. This feelings are influence through our thinking, our physiology and our body language.
it is also important to remember that lack of selfcofidence, fear and doubt are state that can become habit which can hinder our personal growth.
Bill Cosby onces said and I quote"to succeed, your desire for success should he greater than your fear of failure"
the fear of failure can also be a hindrance when developing our personal growth
It is also important for us to note that highly confident people have a way of understand when fear is rational and when it is irrational and getting in the way of what they
Want to achieve.
Try as much as you can to develop a habit that will improve your personal growth.