John had been hardened from the war, from being sold into slavery, but his better qualities did still exist under there, somewhere. It might just take him a while to really open up to Joan. It's still hard to trust her completely, this early on, even if he is feeling grateful. It's a difficult position for him to be in, really, and confusing.

He nodded, glancing out the window a moment, at the world passing by. His London. It had been his home, once, although he wasn't so sure anymore.

"Why are you no longer a doctor?" he asked bluntly, looking back at her calmly.