As for the fact that Malfoy, Crabbe, and Goyle apeared to be going their different ways when they were usually inseparable, these things happened as people got older--Ron and Hermione, Harry reflected sadly, were living proof.
J. K. RowlingHe was going to be armed with his wand - which, just now, felt like nothing more than a narrow strip of wood - against a fifty-foot-high, scaly, spike-ridden, fire-breathing dragon.
J. K. RowlingSure you can manage that broom, Potter?" said a cold, drawling voice. Draco Malfoy had arrived for a closer look, Crabbe and Goyle right behind him. "Yeah, reckon so," said Harry casually. "Got plenty of special features, hasn't it?" said Malfoy, eyes glittering maliciously. "Shame it doesn't come with a parachute - in case you get too near a Dementor." Crabbe and Goyle sniggered. "Pity you can't attach an extra arm to yours, Malfoy," said Harry. "Then it could catch the Snitch for you.
J. K. Rowling