Im addicted to redbull..?

Im 15 years old.. 6'3. I used to be a very healthy kid.. playing sports etc and now alls i want is another red bull. I need atleast 2, 16 oz cans of it a day.. ive dranken 7 16 oz a day and would drink more if i had them.. my weight went from 165 to 140. I dont know what to do. If i dont drink it alls i am thinking about it "how can i get my next can" am i going to have to steal some to get by? ive stolen my parents credit card, money etc. i used to have a Monster addiction but i now only drink redbull. My room is full of empty cans. WTF DO I DO