Lupin: “There's nothing you can do, Harry … nothing …. He's gone.” Snape to Lupin: “Possibly no one's warned you, Lupin, but this class contains Neville Longbottom. I would advise you not to entrust him with anything difficult. Not unless Miss Granger is hissing instructions in his ear.” [...] Professor Lupin raised his eyebrows. “I was hoping that Neville would assist me with the first stage of the operation, he said, and I am sure he will perform admirably.”