"No, it makes one too hot. But you're not quite well yet."

"I am, I tell you. Do you want to quarrel?"

"No, but that proves you are not."

"How? What do you mean?"

"You get cross so soon. It's just as if that snakebite—"

"Don't!" roared Harry.

"Turned you sour and acid."

Harry did not resent this, but remained silent for a few moments.

"I say," he said at last, "is that true?"

"What?"