There will always be a thing you "have to" drink at: weddings, parties, birthdays, etc.
"Have to" according to who and why?
Stop making excuses.
Bite the bullet and decide, actually, no you don't.
Read the chapter NAVIGATING OBSTACLES from my book:
https://practicalsobriety.online/images/CHAPTER%2018%20-%20NAVIGATING%20OBSTACLES.pdf