Moreover, each one desires to know his mistakes, but not from a foreign person, so that will be the friend's job. Second, having a friend who is faithful is very significant because I can notify him of my secrets. Furthermore, I think it is not a hidden thing that everyone feels like he wants to tell his friend about his secrets so as to reduce some of his nervous; however, he can't inform anyone about my feeling and my secrets only if he is faithful friend. According to that, I feel that the friend must have that quality.