Humble, loyal, protective, a bit sarcastic at times. compassionate and empathetic, which sometimes puts him in danger, as when his first instinct was to help the broken, insane Daleks of the Asylum. often found caring for others, sometimes as a nurse, and sometimes just as the TARDIS crew member who stopped to help newcomers adjust. stubbornly devoted to his wife and would do anything for her. very loyal to the Doctor and trusts him. A quick learner. A film buff, preferring older ones. A nurse.