...you hear automatic gunfire, but no ambulance or police sirens. ...you hear said gunfire, and can get back to sleep. ...your worst fear is getting off at the wrong stop at night. ...your mattress is supported by cinderblocks. ...your "friendly neighbors" are dealers. ...your newlywed friend down the street had to play "Saving Private Ryan" in his living room. ...you can tell it is spring by the crime wave. ...you make lists like this.