welcome to SR sarahmaybe ,
I found that i was able to make better friends once i'd got sober . Most of my friends were in actual fact pub bores just like i was , all standing round drinking too much, sharing our respective stories of hardship and miseries .
Finding friends who share positive interests is challenging but there are some real nice people out there in the world who's lives don't revolve around drink and drugs .
Be brave try it for 6 months or something , all of your drink and drug friends will still be doing the same old routines , very few of them in my experience move on much so you know where they are and what that life offers …
Challenge yourself , make that positive change ,
bestwishes, m