I'm pretty sure that this was an intentional thing done by John Green. Most of these epiphanies that us fangirls have are not really intended by authors, but I have a feeling that this one is. OH I DARE!
I'm so happy my friends are nerds because I literally have a friend that wears a necklace with a tiny boat on it and leans in really close to people and just whispers, "I ship us." And I just DIE every single time, and people look at us really weird.