Leto watched after Oswin for a few moments. The dalek got as far as the third shop before he caught up with it again.
"I don't think so," he said quietly but firmly. "I won't stay away. But if you can, I'd like to know what's going on with you."
He knew there was something he couldn't see. Oswin had never been a clear path to read -- nothing in her future or past made sense, and nothing was clear or fit together. He didn't understand how she could exist. She. He didn't even know if it was right to call Oswin a 'she'.