He nodded tiredly, "On Harry’s life," he reassured her, watching as she and Weasley stalked passed him back up to the castle. He was left with an uncomfortable squirming feeling in his gut, already nervous at the conversation that was now looming on the horizon. If she’d asked him to swear on anything else, he’d have lied, but he knew enough about the power of oaths not to risk breaking this one.  