Sometimes, Wu Xie would think back on it and find it ridiculous. The most frightening thing in this world isn't waiting for someone for a long time. It's when, over the long years, waiting for someone becomes a habit, until they've become so rooted in your life that you can no longer correct or erase it. Only on the occasional, chance-filled night, with lights glittering outside the window and crowds bustling past, when you stand by the window in a dark room, arms wrapped around yourself, watching coldly, do you realize just how terrifying that habit is.