new addicitons

Hey everyone, I recently smoked weed to just once feel calm before school starts cause i've been feeling stressed, and ever since then i keep wanting more, im not sure if its an addiction forming but it was just once and now i feel like relying on it to keep me calm. then there is caffeine, ive been having controlled amounts of caffeine for over a year but now i started drinking 100-150mg caffeine a day, no clue if its from stress or what, i drink it to feel energy to be more awake cause no matter what i feel tired so i just rely on caffeine to keep me functioning everyday. before i used to drink 150mg a week, just one can of monster. Idk what to do anymore, i feel like im ruining myself again.