He sat in the spot she bared for him, shifting somewhat uncomfortably. Not that he was uncomfortable around her, but there was the ever lingering issue of his group pestering him about hanging around her and the general awkwardness there was regarding his having kissed her. Or her having kissed him. He still wasn't entirely certain on that point.
"Hello, Lily," he replied, offering her a weak smile. He paused for a good long while before adding, "How have you been?"
That seemed a good place to start; people asked that didn't they? Normal people with no sense of discord between them? He was pretty sure they did.