The Doctor was sitting there by her "Ohh yup ," he was smiling. He trusted Jack and he knew that if Jack trusted Arwen that it should be fine. He wasn't sure why he felt like he could trust her other than that.
"Your Jacks friend, Jack trusts you, I don't often hide it, though I stay away from human hospitals and stuff as that is getting risky," he explained, but most people don't know from looking at me, unless they know who I am.
"Arcade, mmm no I haven't , never really been to one, Is it fun," He looked excited.