" These were true things, Laura knew, but they were only part of the truth which was something less orderly than Kate made it sound. Some parts of the full, disorderly truth were lodged in Kate and Laura like splinters of corroding steel. Their feelings had grown around the sharp, wounding edges which didn't hurt anymore but were still there, fossils of pain laid down in the mixed-up strata of memory. "

― Margaret Mahy , The Changeover