Answer: The back of his head.
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Three. One to climb the ladder while the second kicks the ladder out from under her. And the third to say, "I knew that was too high for you dear."
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It's what the queen says after she burps.
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Billllyuns and billllyuns. Light bulbs are part of the interstellar "goo" that pervades our universe; they are star stuff.
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Unfortunately, no pun in ten did.
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