"In that, at least, we are agreed," Pansy said.  The room filled with angry silence after that as the pair of them glared at one another and Harry shifted from one foot to the other.  He moved to pick up the pain potions and put them away, then seemed to realize that they had become unnecessary.  He opened his mouth to ask something, then shut it again.  Hermione felt somewhat sorry for him.  The etiquette of what to do when you found out you were someone's lifeline probably hadn't been covered by the Dursleys.  They hadn't even managed to raise children halfway decently. Draco had managed it, of course, but manners had been drilled into him by those awful parents.