Soda

My fiance drinks probably 4 or 5 2 liters of diet soda per week. He is nuts about flavored drinks but as a diabetic he can't drink regular juice or soda. He has about 1,000 various flavored drink mixes but he never uses them and buys soda instead. I have started mixing up the sugar free kool-aid and such for him so that he doesn't have to spend the money on diet pepsi.