"Stop feeling guilty," Malfoy tells her calmly but firmly one afternoon, thirteen days after it had happened, and Hermione freezes in tending to his burn, her potion-coated hand hovering just above it. How is she supposed to stop feeling guilty? She wants to yell that at him, but it wouldn't be fair, so she bites her tongue instead, literally. It stings and feels raw and fat in her mouth, although she draws no blood.