What does it really take to earn a black belt in Brazilian Jiu Jitsu? Many people have tossed the 10,000 hours to mastery benchmark around. What constitutes mastery and do those people even know the reference that figure is from?
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10,000 Hours or 30,000 Submissions?
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What does it really take to earn a black belt in Brazilian Jiu Jitsu? Many people have tossed the 10,000 hours to mastery benchmark around. What constitutes mastery and do those people even know the reference that figure is from?