Breakfast for supper

I think Jack must be going through a growth spurt. He is eating us out of house and home at the moment. I don't know where he puts it all. He had dinner less than 2 hours ago and is eating again already. This time breakfast for supper. Although I'm sure he'll be eating again before bedtime. Apparently this is normal behaviour for a 13 year old boy. (He is still refusing to let me take his picture)