Back when I was still a beginning nudist, I often thought of things I can and can’t do in the nude. One of the things I put in the “can’t” category was running. I always thought that, well, things would start flapping around uncontrollably, if you know what I mean.
To my utter surprise several years later, when I ran naked for the first time out of sheer urgency rather than need, nothing flapped around. I didn’t realize it immediately (and I completely forgot why I simply had to run), but as I was slowing down, I realized that something was very odd. I expected something would happen, but it didn’t.