Karate kids are supposed to stay cool and calm — but sometimes, it just hurts too much.

In this video, a little kids punches through wood and doesn’t break a smile. His keeps his face frozen, his walk dignified.

But once he gets to the back of the line, he lets it all come out. The pain, the suffering.

He just can’t keep his cool anymore, and he wants you to know.

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Karate kid just can’t hide his pain anymore