The Doctor: Maybe tinting your visor is making a difference.
Anita: It's making a difference all right. No-one's ever going to see my face again.
The Doctor: Can I get you anything?
Anita: An old age would be nice. Anything you can do?
The Doctor: I'm all over it.
Anita: Doctor. When we first met you, you didn't trust Professor Song- and then she whispered a word in your ear, and you did. My life so far, I could do with a word like that. What did she say? (after a pause) Give a dead girl a break. Your secrets are safe with me.