In the end, they decided that they would not say anything to Hagrid unless there was another attack, and as more and more days went by with no whisper from the disembodied voice, they became hopeful that they would never need to talk to him about why he had been expelled. It was now nearly four months since Justin and Nearly Headless Nick had been Petrified, and nearly everybody seemed to think that the attacker, whoever it was, had retired for good. Peeves had finally got bored of his “Oh, Potter, you rotter” song, Ernie Macmillan asked Harry quite politely to pass a bucket of leaping toadstools in Herbology one day, and in March several of the Mandrakes threw a loud and raucous party in greenhouse three. This made Professor Sprout very happy.