Feuds between neighbors have nothing but losers—the sanctity of existence being continually besmirched by your arch-nemeses constant and continuous close proximity. The persistent presence of something so infuriating is enough to drive even the most level-headed people to insanely petty lengths, which is probably why there is no shortage of stories online where bad neighbors have driven each other to the bitter ends of sanity. Apartments can be especially bad for this; with so many people cramm…