You don’t have to socialise with co-workers, but if you don’t have many friends it’s a good start. Interacting with other people, improving your social skills, learning and sharing from/with others all help you grow as a human and find your place in the world.
Just spending time with them without drinking? It’s not a difficult concept. Why do you require alcohol in order to interact with others?
But why do I need to spend time with others at all? Work is for working, I don’t go to work to make friends or socialise.
You don’t have to socialise with co-workers, but if you don’t have many friends it’s a good start. Interacting with other people, improving your social skills, learning and sharing from/with others all help you grow as a human and find your place in the world.