At that point in the book, he actually doesn't compare him to anything. The narrator just shares this as a free-standing observation. Later, though, there is a comparison between Motorcycle Boy and Siamese fighting fish that have to be kept apart or else they'll attack (and kill or die). This tells us about his extreme emotional distance from the world.
See eNotes Ad-Free
Start your 48-hour free trial to get access to more than 30,000 additional guides and more than 350,000 Homework Help questions answered by our experts.
Already a member? Log in here.