Lan Wangji is not in the habit of stopping to interrupt people along the paths of his various errands. Still, the sight of Susan with those brightly-colored floating objects is so patently unusual that he comes to a halt in the hallway, midway through tucking a freshly-procured container of greens into his sleeve. He blinks, and then he reads the words. After a little pause, he says, "I wish you a happy birthday, young mistress Pevensie." And, of course, he bows.