I have no Idea how may calories but i am 12 years and I sat on this diet it is briliant so listen
Monday-5 potatoes and 1,5 of sour milk
Tuesday-100g or fried chicken and 1,5 of sour milk
Wednesday-100g of friend meat (any) and 1,5 of sour milk
Thursday-100g of friend fish and 1,5 of sour milk
Friday-fruit and veg and 1,5 of sour milk
Saturday-just sour milk
Sunday-just miniral water