The Doctor's reality (The Curse of Fatal Death)

In one version of the Doctor's universe, the ninth incarnation of the Doctor was engaged to be married to his companion Emma. (TV: The Curse of Fatal Death)

A day to come
The Eighth Doctor looked into a Tomorrow Window and asked to see his future. One possible ninth incarnations of the Doctor was "listless-looking" man on a sofa beside a girl in a red dress in a medieval dungeon. (PROSE: The Tomorrow Windows)