Is it so horrible? I have friends outside of work. I get on with my coworkers, we talk about non-work things, we occasionally do (well, did) social activities

Is it so horrible? I have friends outside of work. I get on with my coworkers, we talk about non-work things, we occasionally do (well, did) social activities in the evenings or weekends... but if someone leaves I fully expect to never see or talk to them again, and the thought doesn't pain me.