There's A Phenomenon That Explains Why You Poop At Bookstores
Other than that they serve coffee.
All around the hidden poo pockets of the internet, people seem to be asking one question: Why do bookstores make me want to poop?

GOOD. QUESTION. My friend has been wondering same.
Well, it's called the the Mariko Aoki phenomenon, and according to the Wikipedia page, it could be caused by: "the smell of paper or ink having a laxative effect, the association with reading on the toilet at home, and the posture of browsing making bowel movement easier."
If you've experienced the Mariko Aoki phenomenon (the bookstore poops), you're not alone:
WTF! Why do bookstores make me have to poop!?
Bookstores make me want to poop.
Doc, you've gotta help me. Bookstores make me poop, and I mean really shit myself.
"Bookstores make me have to go poop, in fact I feel it coming on we need to leave" -mom
.@DrPhil why do bookstores make me want to poop
With all of these bookstores going out of business, what will be left to make me spontaneously have to poop?
Bookstores make me have to poop. Every time.
"Bookstores make me poop." -Rachel, unprompted
UPDATE:
Do certain places or things awaken your bowels? Tell us about it below.
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vote votesCoffee
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vote votesGrocery stores
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vote votesLibraries
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vote votesEverything
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vote votesT.J.Maxx
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vote votesJCPenney
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vote votesNicolas Cage movies
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vote votesSurfing the web
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vote votesRunning
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vote votesMean Girls references
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vote votesBest Buy
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vote votesTarget
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vote votesDiet Coke
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vote votesSeltzer water
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vote votesTaco Bell Doritos Locos Tacos
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vote votesChipotle
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vote votesThe produce department
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vote votesThe meat department
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vote votesPublic transportation
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vote votesRed Lobster
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vote votes~That time of the month~
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vote votesRed Bull
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vote votesGame of Thrones