(Those present murmur at this, resenting it.)
WAITRESS. Take care! Take care!
WOMAN (to the STRANGER). Do you know that man who's been sitting behind you, staring at you all the time?
STRANGER (turning. He and the DOCTOR stare at one another for a moment, without speaking). Yes. I used to know him once.
WOMAN. He looks as if he'd like to bite you in the back.
(The DOCTOR sits down opposite the STRANGER and stares at him.)
STRANGER. What are you looking at?
DOCTOR. Your grey hairs.
STRANGER (to the WOMAN). Is my hair grey?
WOMAN. Yes. Indeed it is!