The pat on the shoulder makes Bob feel better, if only because he actually believes what the Doctor is saying. Being macho for the sake of appearances back home has only ever been a surface thing for Bob. His own personality and caring nature always seems to seep through so he knows trying to hide it gets him nowhere in particular.

"London. Well, south London. Not the posh, rich bit. Been there my whole life," he mentions, happy to talk about it to try and forget that he's just thrown up mid-conversation. He looks like he has a bit more colour in his cheeks now, though. Clearly specifying London, Earth doesn't really occur just yet.

"You?"