"What would you steal from the Eleventh Doctor?" David: "I love his TARDIS, it's a wonderful piece of work." "What would you steal from the Tenth Doctor: "Rose, 'cause I love Billie, she's a good friend." "So they want to steal each other's girlfriends?
First and last lines of the female companions. I know many don't agree with me, but Donna's goodbye line, having no idea who the Doctor is, is the most heartbreaking. As sad as roses was, donnas was the most tragic and sad