If you have goals and get to know each other, you can find the same topic and start going in and out of the library together. Master the specific skills by yourself, and handle different situations differently.

If you don't know him, create an opportunity to know him. For example, when he was reading a novel, you remembered the book. The next time he comes to see it, you run over and say, can I show it to you first? You've already seen half of it before, and you want to sit next to him after reading it. . . Matters needing attention, be sure to review the novel before. . . . Or use his best friend to get his information, and then use his habits or characteristics to carry out "coincidence" tactics.

If you have no goal, wait every day. . . . Refer to the second paragraph of tactics after appearing.