What's the one thing that you can do that will-
Help your skin look better
Give you more energy
Help you think better
Help remove toxins from your body
Help your body work more efficiently
OK, let's have a visual demonstration. Go get a sponge from under the sink.
See how dry and crusty it is? It can't work that way, can it? No matter how hard you try, it's just not going to do the job it's supposed to until you give it water.
Your body is the same way. Imagine your organs shrunken and dry. How about your brain?
You can see when your skin is tight and dry.
Many of your problems, lack of energy, fuzzy thinking, headaches, endurance, joint problems, and such - could be helped with water. Yet most people are walking around dehydrated.
If you have a headache, try drinking some water. You might just be dehydrated.
You think you're hungry again? You might just be dehydrated. Drink some water and see if that takes care of it.
Make sure your body has the water it needs for all your parts to do the job they were designed to do.