Related:

• How many Jewish mothers in law -- does it take to change a light bulb?
  (cue typical accent, shoulders hunched...) None! I don't mind sitting here in the dark vilst u goes out enjoying yourselves....
• How many Jewish mothers in law -- does it take to change a light bulb?
  (cue typical accent, shoulders hunched...) Three. One to screw it in and two to gossip about it behind her back....
• How many London taxi drivers -- does it take to change a light bulb?
  (Cue typical indignant Saaaaf London accent) What?...
• How many Jewish mothers in law -- does it take to change a light bulb?
  (cue typical accent, shoulders hunched...) None, they'll just sit in the dark, they know you can't be bothered to do a simple thing like change a light bulb for them, and after all they've done for you....
• How many nihilists -- does it take to change a light bulb? There is nothing to change.
• How many women -- does it take to change a light bulb?
  None, they all get electrocuted trying to excite the socket....
• How many bluegrass musicians -- does it take to change a light bulb?
  They don't. They only use acoustic light bulbs....
• How many Cancerians -- does it take to change a light bulb?
  Just one, and they'll use a non-disposable diaper too!...
• How many scientists -- does it take to change a light bulb?
  None. They use them as controls in double blind trials....