The Underground Man is quite socially retarded. He is blind to multiple social cues and does not understand most etiquette. This might be excusable if he did not ignore the things he can understand. He sees they do not want him there but he says that he must go. He's aware that he really shouldn't neglect paying his servant but he does anyway. And in looking at his childlike behavior while he's pacing the room in which his classmates were talking, its easy to see that he really never spends time around other people. I think he should stay underground. I don't like reading about all these awkward events.