Excerpt from the Great Toilet Theory (a bit disgusting)

Humans are iron, feces are steel; if you don't take a dump for a day, you'll feel uncomfortable. --"The Chef" Since ancient times, who hasn't had to poop, and who can poop without using paper? Could it be that you use your fingers? Elegance and composure are suffocated. -- Wen Tianxiang Everyone inevitably poops; it may be lighter than a feather (when constipated and unable to go) or heavier than Mount Tai (when having diarrhea, it's unstoppable). -- Sima Qian The best depiction of a person being constipated: No matter how much you call, the poop comes out, still half-hidden behind the chrysanthemum gate. -- Bai Juyi Everyone says it's a bit gross