I feel like this question is very troll but my guess is for less weight to hold them down....
Well you attain Emotional Maturity when your full-grown emotionally.
Low calorie(carbohydrates) things. Example: Instead of White bread they would need Whole Wheat bread and less major sugars like over doing it on pop and candy sometimes even simple veggies like corn or fruits like Strawberries because of their Natural sugars
