(Joan is looking through John Smith's 'Journal Of Impossible Things' and comes across a sketch of Rose)
Joan: Quite an eye for the pretty girls.
John Smith: Oh, no, no. She's just an invention. This character. Rose, I call her. Rose. She seems to disappear later on. (Joan finds a picture of the TARDIS) Oh, that's the box. The blue box. It's always there. Like a … magic carpet. This funny little box that transports me to faraway places.
Joan: Like a doorway?
John Smith: Yes. I sometimes think how magical life would be if stories like this were true.
Joan: If only...