Fred waggled his eyebrows and said, "Vizet, you'd better not use the word slacking off..."
"Yeah!" George nodded in agreement. "Is the slacking off you're talking about the same thing as what we think of as slacking off?"
Fred looked at Neville and asked teasingly, "What do you think, Neville?"
"What do I think? Er..." Neville opened his mouth, suddenly at a loss for words.
"See?" George shrugged. "Let me explain what Neville means. He agrees with us completely..."
"Exactly!" Fred added. "Neville is showing a silent protest against Vizet's so-called 'slacking off.'"
"N-no... that's not it!" Neville hurriedly stammered in his own defense, his face flushing red.
"All right, all right!" Lupin said with a smile. "It's the weekend now. Whether you can manage to 'slack off' will be clear soon enough... What are you planning to do this weekend?"
"We're going to have a proper bit of fun, of course!" Fred and George said in unison. "You have no idea how many books we copied this week..."
"Copied books?" Sirius Black blinked. "Whose idea was that? Absolutely brilliant!"
"My heart hurts!" Fred said, clutching his chest. "Can't you try to understand the pain of copying books?"
"My heart hurts too!" George also clutched his chest. "Do you not have even a shred of sympathy?"
Everyone had their own plans for the weekend. Fred and George, for instance, had heard Zonko's Joke Shop had new products, and they planned to buy them and study them properly;
West of Hogsmeade, past the bridge, there was an apothecary called "Magical Carrot." It was said to have brought in Magical Plants from Africa, so Neville and Hanna planned to go and have a look.
After hearing their plans, Sirius Black, who had just walked out of the Hog's Head, stopped in