Thirst
 

Did you know that the human body frequently confuses hunger and thirst? This is the main reason why most people are constantly dehydrated and eat food when they actually feel thirsty, then wonder why they gain weight so easily. By drinking plenty of water, you will sort this problem out and also eliminate overeating forever!

Compensate
 

If you exercise, make sure you drink additional amounts of water to compensate for the water lost through perspiration