" The desire to drink is a form of exercise!" The doctor, who is a dietician, explains. We convince ourselves all the time that we aren't thirsty and thus don't need to drink. However, just because the mind is occupied does not mean it is thirsty. Nonetheless, the body dehydrates. The desire to drink is sparked by alcohol use. To think about it, you need to drink slowly and maintain a bottle of water in your range of vision at all times.