You drink about...
7.5 liters = 1.98129038 US gallons
You kidneys, according to , can process 15 liters of water a day... anyways at an even rate that is .625 liters an hour... plus you loose water through breathing and through your skin...
... some people say as high as 2 gallons... some say 8, 12oz glasses.. which is 3/4 of a gallon or 2.8 liters...
The point is... you aren't drinking to much as long as that amount you drink over the course of the day... and you aren't slamming back 7 liters in an hour...
Your body is a chem lab... without water it doesn't run optimally... long term affect... you feel good... cons... don't drink water feel bad...
You are drinking a good amount...