I have a 14 year old son who is getting through vast amount of sweets/chocolates/biscuits and I'm wondering if anyone has any advice on how to manage it. He has a bank card that I put on £20 a week as pocket money but I find wrappers in his pockets/bag every day from big bags of sweets (i.e. the sort you'd take on a car journey for everyone to share), chocolate bars and boxes of chocolates such as Matchstick etc. At home, if I buy a packet of biscuits they last two days and if a buy a multi-pack of chocolate bars, he ploughs through them. I've now taken to locking these in a filing cabinet. The other day while out with friends, I bought a (small) bag of Maltesers. I gave some to him and his friend. I thought the usual way of eating Maltesers was to eat them one by one. He just put all eight in his mouth as one handful and they were gone in seconds. I've told him endlessly about diabetes but it's in one ear and out the other. I've now told him that I need to see receipts for what he buys and if I see him buying more than one bar of chocolate/sweets at a time, I will take his bank card off him and give him £1 a day although it feels ridiculous that I have to do this to a 14 year old. His argument to this is that he buys the sweets for his friends and him to share. Is there anything else I could do? It feels like he's addicted to sugar.