Riiiiiight; I guess I did leave myself open, Rich. You sure are a fart smeller... I mean a smart feller
To answer you question... no, it's a necessary part of the training regimen, particularly for the advanced guys. The "no refusal rule" is symbolic of facing down adversity and not giving up. Afterward we're all buds. We pop some tops, and eat some of the local delicacies. I failed to mention that losing one's temper is frowned upon. It's not an ego contest. It's training. You'll fight the way you train and if you loose your cool in training, you'll loose it when it really counts. That's a bad thing on a lot of levels.
Tim Kashino
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"Be, Know, Do"