Healthy Cereal For Kids Kids Cereal. They're Grrrreat! Lol?

Kids Cereal. They're Grrrreat! lol? - healthy cereal for kids

so in the 18 and only went to university. Children are still buy cereal on sale for me and my girlfriend over and they eat for breakfast.
At what age should a person be before them as "children" are?
I eat healthy when cereals are in sales .. (Kashi, Special K, Raisin .. sound) only children are less expensive corn Is that bad? to the Special K and Kashi? o Can I use my favorite childhood haha.