We all have a Harold at the office. Harold grumbles, slams his stapler down with more force than necessary, and is practically a walking relic of the paper-pushing era. “Back in my day, we put in an honest day's work. Eight hours, no questions asked. Not this ‘work-life balance’ nonsense.” You're stuck collaborating with him while he shoots daggers at your laptop screen. He drones on about how working from home is for the lazy, and how it can't be possible to focus without the structure of an o…