My cousin is getting spoiled, help!?

Ok, my cousin is staying with us but here's the problem: she eats waaaay too much! This was yesterday's meal plan: Breakfast: 2 pieces of toast with nutella, 1 english muffin with peanut butter, a bowl of crunchy nut cornflakes and a bowl of honey nut cheerios, a glass of orange juice. Lunch: 3 california rolls, PBJ sandwich, 4 Tim Tam biscuits (double coated) . Dinner: 3 cups of fried rice, a medium box of French fries, chicken, garlic bread, 4 slices of margherita pizza. Dessert: A WHOLE PINT of Ben and Jerry's chocolate fudge brownie, some froyo, a supersize chocolate mud muffin. Morning tea: 2 slices of red velvet cake, 1 lollipop. Arvo tea: 3 pop tarts, ( 1 was chocolate, 1 was cookies and cream, 1 was vanilla milkshake) 2 plates of poffertjes. Supper: 4 pieces of PB on toast and a chocolate fortisip. SHE IS EATING OUT OF MY HOUSE AND HOME! I can't afford to feed her and can't get rid of her so help!