People just can't be forced, some people just can't talk, and it's useless to work hard. Bian Xiao has such a classmate. Although I live in a dormitory, I just can't talk together. It's okay for a group of people to stay together. If you are alone, you are particularly embarrassed and don't know what to talk about.
Moreover, some students have a good relationship with thieves at school and are willing to do anything together, but they will not contact each other after graduation. On the contrary, he often keeps in touch with his classmates in the upper bunk. He has always maintained a very good brotherly relationship and has almost become one of the most important friends in life.
I think it's not enough to just watch the time spent together in friendship. Some people are just not fit to be friends. And some people can become good friends by chatting casually together.
Therefore, if you have lived together for four years and still feel incompatible, you can only say that you are not the same kind of people and there is no need to resent each other.