Snape flicked a surprised glance Lily's way. "I hadn't thought of it that way." The admission of fault was his way of rewarding her for her insight. "But you're right, I suppose I've aged from your memories, almost as much as he'd aged from mine." And there was even more of a tangle of love and hate and regret and guilt between them, as ever there had been between him and Lucius.
One of his slight, lopsided grins dawned, as he made an even greater admission, "And you're definitely right about how good it feels, to have my first friend back."