The document describes three body types: endomorph, which are round and soft with large abdomens; mesomorph, which are muscular and strong; and ectomorph, which are thin and small-boned. It then lists traits associated with each body type, with endomorphs described as sociable, fond of food and people, even-tempered and affectionate, while mesomorphs love physical adventure and exercise and are competitive and assertive. Ectomorphs are described as inhibited, loving privacy, secretive and self-conscious.