On March 2 1 at 18:28, you can get in touch with this classmate first (get in touch with this classmate more, a good relationship comes from contact), and then you can communicate with them more by your own interpersonal and social skills. .
Besides, you can get to know people and deal with people through work. This is a good method. . . .
You can try these. . Interpersonal relationships are "played" bit by bit, and people gradually get to know each other. . .