The grading took about 10-15 minutes, my legs didn't even get varm. I have about 70 hours of regular training practise since my last grading, and I have a good fitness level. I’m sorry if I’m not getting this, are you saying your test was 15 minute long and you only had 70 hours of practice between belt levels?
I agree that you should try a new school, I know I am new on this forum, but part of my training has always taught me if you say your karate sucks, then it does, with this mentality you can’t get any better.
I have been taking Kenpo Karate on and off for 11 years, I am just getting back into it after a long break and am very happy about that. I just wanted to say hi