"Harry, you don’t understand," Tom said, finally sounding grave. "I didn’t tell you because I thought you’d never understand. That I’d lose you if you knew. But I wouldn’t have. You’d have come with me. Don’t you see, Harry? I don’t have to lie to you, and so I won’t. Never again, Harry, I swear it. I’ll tell you everything. I’ll make it a vow, if I have to."