7. Irritability. If your body lacks the necessary fluids, you may become easily angry. If this happens, drink a glass of water and see if you feel calmer. 8. Constipation. Yes, your bowels also need water to function. If your body doesn’t get enough fluids, it will turn to the water in your stool to replace the fluids. This situation also leads to constipation.
This is what happens when you don’t drink enough water
