It's wrong to eat too many sweets and become fat.
Bart, who has a sweet tooth, has been warned by his doctor that his blood pressure is too high, and he needs to lose weight.
Bart wants to eat some candy.
Bart portions out a small amount of candy to eat.
Bart eats the entire bag of candy in one sitting.
Bart begins to lose weight, and his blood pressure becomes more normal.
Bart gains even more weight, and his blood pressure continues to rise.