Six. One to turn the bulb, one for support, and four to relate to the experience.
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Two. One to do the screwing, and one to hear the confession.
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None. They will never find a bulb that burns as brightly as the old one.
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Both of them.
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``Oh wow, is it like dark, man?''
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Two, one to call Daddy, and one to get the (pick one:) mineral water/Tab.
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1,000,001: One to change the bulb and 1,000,000 to rebuild civilization to the point where they need light bulbs again.
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Three: One to screw it in, and the other two to help him down off the keg.
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About one third less than for a regular bulb.
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Two: One to screw you out of a fee, and the other to send you to a store where they ran out of bulbs weeks ago.
or