Merlin, how had he ever handled his first year at Hogwarts? Sure, this was a little more stressful, but still. He was twenty-one, didn't he have any common sense? Luna sighed, and found the bottle she needed. She didn't have a spoon, so he'd just have to use the cap.
She headed back to the bathroom, and sighed. "Draco, you're such a child," she told him, and she opened up the bottle, pouring a dose into the cap. She handed it over to him. "Swallow, and don't move. It only take a few minutes to work."