A friendly wave, someone to feed your cat when you're away or borrow a cup of sugar from—these are the things one would hope for from a neighbor. Occasionally, you have to deal with hearing a screaming baby or argument through thin walls. Worse still, cleaning up the leaves that fall from overhanging trees, but these problems generally aren't too terrible. Every so often, however, you lose the neighbor lottery and get to live next to the neighbor from hell. These Redditors shared their stories, and after reading them, you'll realize your frustration could be worse.