Don't ignore your fear. Your body is going to fight fear with or without the help of your psyche. When it comes to a fight the more the merrier. Ally your mind and your body to suppress your fear conquer them.
Humans don't put effort into distinguishing between right and wrong. Because it's not essential to survival. What is essential is for survival is staying on the winning side - serving the cause of the 'dominant'. It explains the atrocities that were committed by our ancestors (and some of us).
If a person is not weak they do not strive to improve. The transition from being weak to being strong shows us that we can break our own limitations.
We try so hard to avoid them, and that's why we don't grow, we don't evolve.