In daily life, you should take the initiative to do something you dare not or don't want to do, such as talking to strangers; Refuse unreasonable demands of others; Protect your legitimate rights and interests with actions, etc. , so as to cultivate their courage.

Yang Daxia, a writer, pointed out that we should train our courage quotient.

There is a famous saying that "if you force yourself to do something fearful and timid three times in a row, you will be calm", which is also the truth of "normal".