"But you aren’t." Sirius whispered, his grey eyes watching her. "You hide it well, but you’ve the heart of a Dark Witch, a real one. You can feel the way the magic responds to a life ebbing away. You can feel death. It’s not like the Ministry says, it’s not dark spells that make a wizard or witch Dark, it’s inherent like breathing. I tried, I tried so hard to leave it behind."