i genuinely have a problem

bro ok i know this sounds so lame but i have the worst fomo and cant say no to plans and my friends wanna go out and drink every day and my body just feels so worn out. i feel sick and tired and im going to a party today and im gonna be drinking but ive genuinely been drinking every day for the last week and a half😭
i don’t really get hungover but the past few days ive just been feeling kinda nauseous so lwk how do i stop feeling sick