He glanced to her with concern; surely she couldn't have thought ....? But then, what did he know about the inner workings of her mind, really?
"Lily, it was good," he replied, "More than good, you have to know it was. But ... I mean, what good does it do, really, if we once kissed? You're off seeing Potter now, and I ... I have commitments."
Well, that was putting it lightly, but she didn't need to know the extent of things. Some days he wasn't even sure he knew how deep it ran.
"I'm no good for you," he mumbled sullenly, mostly to himself.