 Robert Frost once wrote, Good fences make good neighbors, meaning that well-established boundaries make good relationships. But what happens when people trespass those boundaries? When neighbors dare to steal a glance over their fences or peek through their neighbors window? RELATED: Rear Window Showed Hitchcocks Rare Complex View of Femininity Alfred Hitchcock famously explored this ... 10 Movies That Will Make You Afraid of Your Neighbors... 