Draco suddenly felt his heart race, when Harry stepped out to pee, he had a chat with the Healers and found out he would be suffering residual damage from the curse. They didn't know how or when or even why! But they knew for sure there would be some sort of effect. He would never ever tell Harry. "They said I can't fly or do anything extraneous for a few months." He quickly lied, smiling slightly. 