Don't get me wrong, I heard from several people Steve is a very good instructor. But this example is total nonsense. I have all my students think about this, draw their conclusions, and try to swim as fast with lights out as they do with lights. And all instructors I know do the same. Maybe there are some that do not cover this issue, there are always those that miss the point.
what makes it total nonsense? after all i have never seen you teach. and every drilll i have obsereved has been slow. glad you are the exception.
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