Draco was still looking at him, and Harry was still thinking. He thought of the original end of this school year, of all of the skills they’d learnt being put to the test against the Death Eaters and, ultimately, saving them all from certain death. He thought of the final battle of Hogwarts, and all of his friends who might have died if they hadn’t had that extra year of education in defensive magic. Harry pursed his lips and knew suddenly what side of this argument he would land on. He nodded discreetly, and Draco finally spoke.