[ The Doctor frowns for a moment. But it's not a "wow I'm angry at you" sort of frown. It's a "I'm thinking and my default state is frowning" sort of frown. ]

It makes perfect sense. You are human, right? Some humans are more aware of time than others, whether it's because you grew up near a rift, you were exposed to something else, or you've just got freaky genetics.

I wouldn't worry too much about that.