"I'm sure the TARDIS will be happy to see you once you go and see her when you're fully able to travel. Which reminds me." Caitlyn said and took the key and the paper from her pocket and put them in his jacket. "You really shouldn't leave these laying around Doctor." She said not at all certain what she would have done had her house mates saw that. She then looks at Jack a bit of a sympathetic look on her face. "I heard that hurts. I'm sorry you had to go through that." She said honestly. It was one of many horrible ways to die.