Harry cast an anxious glance to Sirius, and very quickly realized that he would have to step forward, rather than let everything sort itself out.

"No," he said, moving forward to the side of Remus' bed. "You're not. It's.. like I was saying. If you remember," he muttered under his breath. Remus probably didn't. "Everyone gets brought here from different times and places. It's Sirius. ..And I'm Harry. And this is really happening."

And Harry really felt like an utter pillock, standing there trying to explain things as if this were normal, nothing to get excited over, completely rational, when neither of them looked like they were hearing a word he was saying.