How about psychological education?

Educate him to just tell you about it. It doesn't matter if you play mobile phone and sleep in class. The tuition fee for two days is too high, and the cost for two days is 400. A class lasts about an hour. Moreover, after finishing the industry, the master tells you that you can learn 30% of the industry at most, and then the interview is not good at all. After learning it, it is no different from an apprentice.