[baffled] I could have been here before? Why wouldn't I have know...oh. Not me me, but another me from one of those other universes.

[He scowls at the idea of the Doctor dying, though, not liking the thought of it one bit.] Or it might lead to all three of ye dying. Best not to chance it.

[Besides, if the Doctor dies, they'll never figure things out. Well, they might, but they'd have to wait for him to come back first, and more people would die in the meantime.]

I can help ye with the second part, Doctor, but...what sort of information do ye need?