"I'm not seeing Potter," she protested. "We're going to pal around at Hogsmeade, but we're not dating," she insisted.
She wanted not to say anything about his commitments, so they'd avoid a row, but she couldn't just let it go. "Your commitments," she said softly. "The ones that like to put Muggleborns in the infirmary and leave nasty comments in their journals?"
Then she wondered if he'd heard about her visit to the infirmary, and reasoned not. It had been late at night and she'd been at breakfast the next morning. She smirked; wouldn't that be a surprise for him.