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When Being Told Not to Laugh
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When Observing a Minutes' Silence
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When You Hear Funny Laughter from Someone Else
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When Trying to Keep a Straight Face During a Prank
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When in a Stare-Off
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When Someone Says "It's Not Funny!"
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When Watching Your Favourite Comedy or Stand-Up Comedian
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When You Hear a Particularly Funny Word
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When You See Someone Trip Up
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When Watching Bad Auditions On TV
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When Having Thoughts About Something Funny During an Inappropriate Time
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When Reading This List
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When Watching People Trying Not to Laugh
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When Someone Gets a Hit in the Crotch
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When Someone Gets Hurt in a Stupid Way
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When Someone Plays Recorder Terribly