Collins stated that the deaths of young characters and other "dark passages" were the most difficult parts of the book to write, but that she had accepted that passages such as these were necessary to the story.
Collins menyatakan bahwa kematian para karakter muda dan "hal gelap" lainnya adalah bagian novel yang paling sulit untuk ditulisnya, tetapi menganggap bahwa hal-hal seperti itu juga dibutuhkan oleh cerita.