"Okay, for you and from your point of view, it probably is exactly like that. If this place is real, then why do I not have my Time Sense? Arriving here without it is no different than if you were to arrive here without one of your senses. Have you tested them all? Do they all work for you?"
Because that is the biggest reason why the Doctor can't believe this place is real. If he had lost his sense of touch, or smell, sure. But his sense of Time is inherit to him being a Time Lord, so why would they take that from him?
Thought that'd make you happy. They accepted the Reserve, so I assume he's appable.
He pauses.
"Okay, for you and from your point of view, it probably is exactly like that. If this place is real, then why do I not have my Time Sense? Arriving here without it is no different than if you were to arrive here without one of your senses. Have you tested them all? Do they all work for you?"
Because that is the biggest reason why the Doctor can't believe this place is real. If he had lost his sense of touch, or smell, sure. But his sense of Time is inherit to him being a Time Lord, so why would they take that from him?