Never underestimate the positive power of an unexpected high-five.
Brooklyn, New York, resident Meir Kalmanson, an actor and filmmaker, prides himself on being able to brighten the lives of the people around him -- even if he doesn't know them personally. In his latest YouTube video, Kalmanson runs through the streets of New York City, high-fiving every outstretched hand of people attempting to hail taxis -- and their reactions are priceless.
If you're in need of a pick-me-up today, we dare you to watch all 86 seconds of this "High Five New York" mashup and try not to smile. We bet you can't do it.