Wayne bit his lip as he watched Alfie's reaction, as if his friend was waiting for a punchline that wasn't coming.
"I only wish I was taking the piss, mate," he said, and held up the page with Harry's note, even though it would appear blank to Alfie's eyes. "There's a message here from Potter... There's a possibility that... um... something bad might happen here."
He sighed. "There's a group of us that have been working on defensive spells and such... It started last year, and there are a lot of people in it. We're all in it because we want to keep each other safe. We've all taught each other a lot. I couldn't have cast a Patronus if it wasn't for the... group."