DS (15) is super skinny and very rarely seems hungry. He barely eats at school. I know because I can see what he's bought when I top up the account. When he does eat at school, it's crisps, drinks, go-ahead bar etc... He's always been a grazer and has a very sweet tooth (which we monitor at home). He's pretty active too, plays sport and goes to the gym.
We've spoken to him twice already about this and I'm pretty sure he avoids the canteen because he wants to be with his friends. But he won't take a packed lunch either.
We've decided to stop his pocket money (so that he doesn't spend it on sugary crap) and ask his form teacher for advice about monitoring what he eats at school. Is this over the top?