Nurse:
Have you ever smoked?
Nurse:
And how many cigarettes a day did you smoke?
Older man:
Uh, three. No, five. A pack.
Nurse:
And when did you quit?
Older man:
Uh, yesterday.
Nurse:
You're still smoking, aren't you?
[from:
http://www.overheardintheoffice.com/archives/007374.html]