He let go of the phone he'd palmed, and instead set his hand gently on top of the metal just beside the left light. This was the last time he would touch this shell. He knew it, and the knowledge clouded his eyes.
"Oswin Oswald," he said. "You won."
It was his declaration of faith in her. She'd been living as something that she was not, and yet retained everything essential about herself. She had just a little further to go - and she didn't have to do it alone.
"Come on," he said, and this time, his voice carried the gentleness he'd been denying her.