Why do people say to others that they have to add a super stomach ache when they want to go to the t

Because of the metabolism, but also because there are holes. Those who don't have holes don't get it.

It is impossible for the human body to digest and absorb all the food, and stool is to remove food residues and part of the water; >>>More

Obviously, because the human body needs to maintain dynamic balance, there is in and out, in order to ensure the metabolism, people eat cereals, drink water needs to be excreted in order to continue to eat.

He went to the toilet and pulled the to the field to make fertilizer, there was not much, the weather was not hot, and he didn't sweat after pulling

It's the cause of the metabolism of the new city.