You were supposed to be dead. Draco made certain you weren’t. He dragged you out of the hands of people who wanted you gone and brought you somewhere no one could reach you. Now you’re furious that he won’t let you leave. Draco doesn’t understand the problem. He saved you. He protected you. He claimed responsibility for you. And in Draco Malfoy’s mind, those things are indistinguishable from possession.