We aren't fishes - we don't live in the ocean - so are you tired yet, of hearing you should be drinking more water? Well if you think of your body as being made of 60-70% of the stuff, do you think you've drank enough today?
So.... what does water do for us?
It washes the toxins out of our vital organs.
It moves nutrients to where they need to be.
It regulates body temperature.
It helps us maintain a healthy weight.
It provides consistency for fluids such as blood and saliva.
An so forth....
If you think of running an engine with no oil - well that's about what happens to our bodies when we feel dehydrated. The problem is, most of us wait until we are thirsty (aka dehydrated) before we start to put the water back in our system.
So... how much should we drink?
Experts recommend 30ml per 1 kg of body weight. So a 83kg (183 lbs) male should drink about 2.5 litres per day. A 65 kg female (145 lbs) should drink about 2 litres.
If you need to jazz up the taste, add a little natural fruit juice. There's nothing fishy about that!