He should also center most of his meals around veggies, which are very low in calories (leave off the sauces and use oils and
herbs for seasoning). Veggies also have tons
of fiber, which will help keep tummy troubles at bay. Limit fruit to about 1-2 servings/day, since most fruit has a lot of sugar, which can be turned to fat, very quickly, if not used for energy. Make sure it's whole fruit vs fruit juice, because with whole fruit, you get the added bonus of the fiber.