Brandy:I have a family of five with two teens.
As I am sure you know, teens eat more than a couple of people together, LOL! Mine both eat double meat burgers and large fries if we are doing burgers out. That's expensive! And no, they are not overeating, both are underweight. They burn the food before it touches their lips.
That reminds me of me in high school. I had a very high metabolic rate, and ate so much so often that even some friends accused me of having a tapeworm.
A friend from my mid 20's still remembers when we stopped my McDonalds for lunch and I ordered two Big Macs, two fish sandwiches, a large fries and a milkshake. He started to thank me for buying him lunch and didn't believe it when I told him "This is for me. You have to buy your own lunch!" And yes, I ate all of it. Well, it was 2:00 PM and I hadn't had anything to eat all day!
If I tried to do that now it'd probably kill me.