I have been living in a 12-floor building with hundreds of residents for about a year and I cannot tell you the names of more than five of my neighbors. When I moved, I thought I might meet people in the elevator and get familiar with them, but I hardly ever see anyone, and for some reason, people here do not go out of their way to be particularly friendly to new residents. So if I had a neighbor like the person who wrote this Reddit story, I would have been overjoyed to have someone give me su…