WATCH: Stories You Won't Believe From Some Of The World's Dirtiest Jobs

07/04/2014 12:02 pm ET | Updated Sep 03, 2014

Are people who do physically demanding, not-afraid-to-get-dirty jobs like farming, mining and sheep castration (yes, you read that right) the happiest people on earth? So says Mike Rowe, host of the Discovery Channel's "Dirty Jobs." See if he changes your mind about what it means to be happy at work.

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