Sometimes when I drink water I get sick to my stomach it doesn't happen every time?

Cold water? If it happens with cold water, avoid drinking cold water. Try drinking water slowly. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.