Over-confidence can be a very dangerous attribute.
That's the main takeaway from an amazing video that has been viewed over two million times on YouTube. It pits two boxers against one another. Their names? The location? Both unclear.
But one bruiser gets hit a few times, only to shake off the blows and taunt his opponent. That's all you got? I feel no pain! Bring it on, he essentially says.
Cue a left hook and the trash talker is instantly seeing stars: