Right. There were things Harry could do to help his friend other than just stand there and talk, and he should be doing that. He moved into the kitchen, half expecting something to be thrown at him the way Ron had thrown the bottle. But instead of a literal hit, he got a tone as dangerous as the sharp edge of the broken glass.
He turned around, glass in his hand, though he hadn't filled it yet.
"We haven't lost," he said. "You can't just take someone like V-- like You Know Who on face to face and expect to end it right there. I know that by now, don't I? Even if I'd managed to do anything violent when I was up against him before, it wouldn't have worked because he has horcruxes. Those need to be taken care of before we can do any other destroying."
Ron had known that, once. They all knew that. But maybe Ron needed the reminder.
What he definitely needed was the water. Harry took a deep breath and turned back towards the sink to fill the glass in his hand before passing it (a bit warily) over to Ron. Even if it didn't get thrown at him, there seemed to be a good chance it would be thrown and broken once it was in Ron's hands.