"I know that... but he was supposed to be my friend! And he just... he just abandoned me there. I died on that station trying to protect him, Rose, and the others. Like I said... if it wasn't for this," he said, pushing up his sleeve to show her the wrist strap. "I would have been trapped there forever. And eventually, I would've ended up in a continuous loop of starving, dying, and coming back to life."
He shooked his head, all the pain and regret that he was feeling clearly visible in his blue eyes. "You don't do that to a friend. No matter what you are. He came to terms with it later when we ended up at the end of the universe."