Lily had reached a pillar and leaned against it, looking up into the thin, sallow face.
“That was nothing,” said Snape. “It was a laugh, that’s all—”
“It was Dark Magic, and if you think that’s funny—”
“What about the stuff Potter and his mates get up to?” demanded Snape. His color rose again as he said it, unable, it seemed, to hold in his resentment.
“What’s Potter got to do with anything?” said Lily.
“They sneak out at night. There’s something weird about that Lupin. Where does he keep going?”
“He’s ill,” said Lily. “They say he’s ill—”
“Every month at the full moon?” said Snape.
“I know your theory,” said Lily, and she sounded cold. “Why are you so obsessed with them anyway? Why do you care what they’re doing at night?”
“I’m just trying to show you they’re not as wonderful as everyone seems to think they are.”
The intensity of his gaze made her blush.
“They don’t use Dark Magic, though.” She dropped her voice. “And you’re being really ungrateful. I heard what happened the other night. You went sneaking down that tunnel by the Whomping Willow, and James Potter saved you from whatever’s down there—”
Snape’s whole face contorted and he spluttered, “Saved? Saved? You think he was playing the hero? He was saving his neck and his friends’ too! You’re not going to—I won’t let you—”