... you could not measure love on a scale of degrees, and now she understood that it was the same with pain. Pain might escalate upward and, just when you thought you'd reach your limit, begin to spread sideways, and spill out, and touch other people, and mix with their pain. And grow larger, but somehow less oppressive. She had thought herself trapped in a place outside the ordinary feeling lives of people; she had not noticed how many other people were trapped in that place with her