I am not a moaner or a groaner at the gym, but i am a bit of a gasper.
While some people sound like they're filming an x rated movie when they work out, i tend to sound more like a loudly leaking tire. But since going silent, my breathing has gone from a gale force wind to a quieter, Darth Vaderesque pant.
You may be trying to get across the most simple of ideas, yet your innocent pupil remains dumbfounded. You make repeated attempts, each successively louder and more impatient than the last. Finally, in angry frustration you scream at the futility of trying to teach to the hopelessly stupid.
But don't give up! They will eventually learn! ........to stay as far away from you as possible.