I went about a year drinking soda maybe once every couple weeks and what helped me was these packets you can buy. Crystal light makes their own version, but of course they are more expensive and do not taste any better. I was buying mine from Walmart, they are about 1.69 for a box of 10 packets, each making 16 oz so for 1.69 you get 1.25 gallons of a tasty drink. Each package has 0 calories, so obviously no sugar either. Being a convenient size made them perfect for the gym and on the road.