I was expecting someone to make that comment. I admit, I'm very selective about people who I consider my friend. But the notion that co-workers can be annoying is universally accepted. Otherwise, The Office, Office Space, Dilbert, and the like would not exist. Obviously they exaggerate: most people don't absolutely loathe the people they work with. But how many of your co-workers do you really want to vacation with? I bet most people would say "a few."