Divide and combine. His family's work required him to travel between different regions and schools. So he knew that he would never have friends. He would always hide in a corner and be an unknown student. He wanted friends, but he didn't dare to take that step until he met him. [The timeline of the article is very long, a bit ridiculous, there will be changes, don't be surprised, the outline remains unchanged, the author is new, please tolerate it and thank you]
ps: Demining and attacking in the early stage.