Vanity

Before his apparent death, the Beast claimed that he would live on in the vanity of men. (TV: The Satan Pit)

The immortal Jack Harkness acknowledged that he was guilty of vanity when he expressed his concern over how he would physically age over a million years. (TV: Last of the Time Lords)

The Eleventh Doctor said that the Tenth Doctor had Vanity issues. (TV: The Time of the Doctor)