I think it's good to eat a bit of everything, but when you eat too much junk food, it's bad for you and for your brain. You don't understand why, but you feel sad. It's because of the junk food!

I think it's good to eat a bit of everything, but when you eat too much junk food, it's bad for you and for your brain. You don't understand why, but you feel sad. It's because of the junk food!