First, through experience and knowledge, if you have more knowledge, your vision and pattern will be opened, you will not care too much about other people's opinions, and your temperament will be fine. Secondly, through material things, that is, paying others for a series of professional training, you can improve your temperament. Third, pay twice as much effort as others, and what you see must be his time, energy and sweat. From his own point of view, he wants his temperament to become better, so he will take action to improve his temperament. So the temperament will follow.