If the instructor doesn't have a problem with someone dropping behind and stopping an activity it isn't most belts place to scold them. I has having a problem with controlling my asthma - a rare occurrence. Finally figured out it was the perfume a new student was wearing. The top belts knew what was going on - as long as I signaled I was ok they let me do things at a lower level.
On the flip side I had some of "my students" from public school in my TKD class. When one of them had an asthma attack and her mother wasn't there - I ran to the locker room, dumped out her bag to find her inhale and grabbed my phone because I knew I had Mom's cell phone number in it.
Another time at a different studio after moving to Houston - I was in a mixed class with young kids. It was the only one at a time I could take. A boy was holding up two fingers - and when then instructor said yes he took off running. I couldn't help cracking up at the facial expressions of the instructor and older students. I told the poor instructor that the 2 fingers thing was used in a popular classroom management book to signal you need to use the bathroom.
