Zoo - did you see the doctors on the news talking about myths of drinking so much water.  Bottom line is what I have said for many years - we drink to replace what we lose and when thirsty.  I am sedentary, don't sweat and so would not need the amount you "athletic" types do.  The doctors who did the study, etc. said - everything in moderation - including drinking water.  Of course, we get fluid in our food also.

Here is a link to the article....

Just rendering my opinion!  Elaine