Peanuts!

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A tour bus driver is driving with a bus load of seniors down a highway when he is tapped on his shoulder by a little old lady.
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She offers him a handful of peanuts, which he gratefully munches up.
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After about 15 minutes, she taps him on his shoulder again and she hands him another handful of peanuts.
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She repeats this gesture about five more times.
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When she is about to hand him another batch again he asks the little old lady, 'Why don't you eat the peanuts yourself?'.
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'We can't chew them because we've no teeth', she replied.
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The puzzled driver asks, 'Why do you buy them then?'
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The old lady replied, 'We just love the chocolate around them.
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