Originally Posted by JohnnyForget:
“I wondered this too, but the best explanation I've seen put for forward is as follows:-
(a) The Fourth Doctor's incarnation was a very long lived one, decades or even centuries, and having seen The Watcher he knew the time was right to regenerate, so he put up no resistance.
(b) The Tenth Doctor had an very short lived incarnation, about four years (derived from the fact that he was constantly stating his age) so he was not ready to go, and put up the utmost resistance, surviving the fall from a very great height, and staving off the inevitable after absorbing the radiation so that he could say goodbye to all and sundry.”
“I wondered this too, but the best explanation I've seen put for forward is as follows:-
(a) The Fourth Doctor's incarnation was a very long lived one, decades or even centuries, and having seen The Watcher he knew the time was right to regenerate, so he put up no resistance.
(b) The Tenth Doctor had an very short lived incarnation, about four years (derived from the fact that he was constantly stating his age) so he was not ready to go, and put up the utmost resistance, surviving the fall from a very great height, and staving off the inevitable after absorbing the radiation so that he could say goodbye to all and sundry.”
Also, the Doctor might have learned new skills in the intervening years, like how to land properly to avoid injury.





