"I'm not an idiot, Malfoy!" she screeched, slamming her knife down on the table. "Maybe I haven't been practising in my own personal potions lab the last few years, but I am a perfectly capable potioneer! I managed to brew Polyjuice correctly in our second year, which was no small feat, and besides that I am actually very smart!" Her chest heaved as she stared him down, a hot flush creeping up her neck as her hands clenched into fists. 