Jaxon is 6 months now. He's been eating 4 oz of formula with rice cereal in it every 3-4 hours. He also has fruit baby food in the morning and usually a veggie/meat for lunch/dinner. Sometimes for dinner he eats what I eat (mashed up of course) potatoes, carrots, etc. Should he be eating more than 4 oz at a time? He's 18 pounds.