"He had a collection of science-fiction films on DVD and Blu-ray discs, and although he said he'd seen most of them before, Caitlin was surprised to discover how many of the cases were still shrink-wrapped. "Why'd you buy them if you weren't going to watch them?" she asked. He looked at the tall, thin cabinets that contained the movies and seemed to ponder the question. "My childhood was on sale," he said at last, "so I bought it."