If you are a college roommate, I think you should follow the ceremony when you get married. After all, you have lived in the same dormitory for 34 years, which also shows that the relationship between your and the university is the latest. Although your relationship is not very good, if he invites you to his wedding, you must learn. Otherwise, not sleeping is actually a kind of communication. When you have something, he will follow you. Now every family is a child. In the future, students can help each other and get along well.