自分のウンコを食べてみて、それがすっごい苦かったんだけど、どうして苦いのかって先生に尋ねてみたら、「胆汁酸がいっぱい含まれてるから苦いんだよ」って教えてくれたよ。

I told my teacher I ate my own poop and that it was very bitter so I asked him why that was. He told me our poop contains a lot of bile acid and that’s why it’s very bitter.