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I recently got my 1st dan in Okinawan Kenpo karate. The testing wasn't nearly as grueling as yours sounds though. A group of us tested in the space of 3 hours. But there was a lot of training and stressing out leading up to it
We call black belts Sensei as well. The reasoning behind this is that once you have achieved black belt status, you are essentially a teacher even if you don't formally teach. Every other kyu rank student looks up to you and learns from you. A bit of a daunting thought, if you ask me!
Anything that is unrelated to elephants is irrelephant Anonymous - The problem with quotes on the internet is that you can never tell if they're genuine Winston Churchill, 1944 - I'd just like a chance to prove that money can't make me happy. Me, all the time