Elsie’s accusation that Homer only thinks about himself comes as a surprise, since Homer doesn’t seem to have done anything overtly selfish in
Rocket Boys. Yet we are also seeing the story from Homer’s point of view, so he might be totally unaware of how his actions or self-absorption affect others. Even if he’s been selfish in the past, however, Homer has shown great moral progress in recent chapters, expressing his sincere sympathy for other people in a way he was unable to before.