Eat five or more meals a day. Eat plenty of high calorie snacks throughout the day. Drink plenty of fluids that supply calories like juice, milk, milkshakes, and sports beverages. For example, drinking 1 quarts of grape or cranberry juice supplies 1000 calories. Set realistic goals .
Hereditary factors can play a large role in physique.
You are not going to look like Arnold if your parents look like Pee Wee Herman.