When you can't solve a problem, they're right behind you.
Challenges arise all the time while at work. If you don't know someone that can help you out of a jam, it will seem like a long time until that next vacation. Or a very short time, if you know what we mean.
That's why Finch is lucky to have a coworker like Root. There aren't many people in the world that understand such a complicated piece of technology as The Machine. And you thought the copier/printer at your work was bad.
Watch Person Of Interest on CBS.