Because there is no healthy way to drink something which is literally a poison. It’s true a lot of people do their thing - people who don’t have this sensitivity - but they’re not actually gaining anything by it.
You’re one of the lucky people who gets a ticket out of the expensive waste of time which is alcohol consumption. You get to have your time back, to be your full, human, present self. This is a gift.
Welcome to the club Meg 
Have a look around here and get to know some of the other members. I’m sure you’ll find you have lots in common:
Checking in daily to maintain focus #44
Foodies Unite #5 (trigger warning food) TAKE ANOTHER LITTLE PIZZA MY HEART!
Don’t give up and take it one day at a time. Keep checking in, share your fears, your feelings. You’ll get there.