People thought he was a glutton for punishment, that he liked getting dumped. But it wasn't like that. He could just never see anything coming, and as he lay on the solid, uneven ground with Hassan pressing too hard on his forehead, Colin Singleton's distance from his glasses made him realize the problem: myopia. He was nearsighted. The future lay before him, inevitable but invisible.
John Green (2008). “An Abundance of Katherines”, p.39, Penguin