Malfoy returned her smile hesitantly, then stepped up to the cauldron, tipping the first ingredient into it and stirring clockwise, then counterclockwise, then adding the next. His brow furrowed in concentration, his lips moving slightly as he counted his stirs, and Hermione felt her face warm as she watched him. There was just something about watching someone who was excellent at what they did that got her hot and bothered, and Malfoy's deft, sure motions screamed his competency.