See, you're the one who asks the interesting questions. Unfortunately, nobody knows the answer. I've poked around, myself.
TARDIS. Console room? That's where my amp is at. Unless River has moved it.
I'm technically on my thirteenth. There was another regeneration between the one you're familiar with and myself - that one should've been my last, but the Time Lords gifted me with a new regeneration cycle, so I get to live on. Lucky me, huh?
Let somebody else tell you, or I'll tell you later. Right now, I feel more like celebrating.
[Me / Martha]
I've lost count. But I guess professor really suits me. So I'm told.
Just wondering. I want to make sure everybody gets along.
Sometimes I forget. Or I'm stubborn, and I don't want to remember. But it always comes down to that.