"You never did tell us, you two. Who are you?"

Ida's voice echoed around the TARDIS. Rose looked to the Doctor. How to answer that?

Well, I'm a shop-girl and he's the Lord of Time. That blue box you were in is called the TARDIS – Time and Relative Dimensions in Space. He picked me up in it about a year ago and we've seen everything together, but no matter how dangerous it gets, I can never leave because I've fallen madly in love with him.

"The stuff of legends."

On the whole, Rose decided, his answer was better.