I've been through that. It's actually a good way for a teacher to see how well a student understands what they are doing. It was the first time I realized that there is a big difference between being able to do it and being able to get someone else who may want to chat, has a wandering mind, or isn't taking you seriously because you aren't the big chief to learn something. It also teaches patience.
Thank God I don't have to do that every class. However, I've learned that once you gotten to brown belt (2nd kyu), you're drafted by the less senior students into being a tutor.
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