Retirement
From Tardis Wiki, the free Doctor Who reference
Retirement was the action of ceasing to work in a professional capacity, or the state of having done so.
The Doctor
The Sixth Doctor once retired. (TV: The Spindle of Necessity)
Following the loss of Amy Pond and Rory Williams, (TV: The Angels Take Manhattan) the Eleventh Doctor retired from his travels to Victorian London, secluding himself in his TARDIS for a lengthy period of time. (TV: The Snowmen, The Great Detective)
Later, he voiced at the National Gallery that he could retire one day and become the curator of it. Immediately after, he was met by the Curator himself, who implied that the Doctor would indeed become him one day. (TV: The Day of the Doctor)
