You know, I loved being you. Back when I first started, at the very beginning, I was always trying to be old and grumpy and important — like you do, when you’re young. And then I was you. And it was all dashing about and playing cricket and my voice going all squeaky when I shouted. I still do that, the voice thing, I got that from you. Oh, and the trainers. And…“ [putting his glasses on] "snap! ‘Cos you know what, Doctor? You were my Doctor.
— Tenth Doctor To Fifth Doctor (Time Crash)