Drinking water health advisory

Many different advice about the size of water per day for our body make us confuse. So what the right advice  ?

• Drink water as needed. It means not least and not too much.
• Drink your water gradually, don't spent at once at one gulp. 
• Drink your water periodically.  For example : a glass of water after wake up, a glass of water before sleep, a glass of water several minute after eat.
• Not exhale or blow your water.
• Don't drink water that still hot or too cold.
• Don't drink water with standing. Drink with standing make water fall down to the bottom of the organ quickly. Water doesn't accommodated in gastric that will be pump by hearth to all organs. So water doesn't spread to another organs. Whereas according to medical science 70 percent of our body consists of water
• The need of water for every person are different. The ideal formula to drink water as expert says is every 100kg weight, we must drink 3 liter of water.
• We can determine when water supply for body is enough from urine. If the colour of urine is bright yellow or clear and in much intensity, it's mean water supply for our body is enough.