"And let’s say that you’re right - and there’s no way to heal your neck while you’re a horcrux, and that Voldemort has to cast the killing curse on you to destroy the peace of his soul inside you," Draco scoffed, "I’m not just going to stand next to you and watch you bleed to death. I’m going to give everything I have to keep that heart beating," he pressed his palm against Harry’s chest, and he touched their lips together again, "Do you understand?"