In fact, there are very few people who really drink 8 glasses of water a day, and most of them are drinks. Therefore, most people don't drink enough water all day. In this case, people can't pee even if they want to. Some people don't drink a mouthful of water when they eat except some soup. Such people don't excrete a few drops of urine a day. But their health, there is not much problem. So this kind of thing needs to be judged according to different situations.
Some areas are extremely short of water, such as people in the desert, not to mention urinating 2 liters of water a day. They can't even drink 2 liters of water. Where did you get the urine? Urinating blood?
The frequency of urinating during school is generally 50 minutes, because the class time is arranged in this way, and urinating at this time is also a kind of relaxation for the human body, which can be used for reference. But in real life, such as at work, sometimes people are really busy and don't even have time to pee. People will hold their urine when they hold it, and they can only remember to pee when they rest at noon. But this is an emergency, not normal. Occasionally, it will definitely have a negative impact on the human body. People often say? The bladder is going to burst? Actually, this is not a joke. Did bladder really happen in medical history? Explosion? Case-based
Generally speaking, as long as you don't urinate too often, there is no problem. According to the rhythm of daily life, if you urinate more and drink less, you will naturally be less, so don't care too much.