I did when I was brain damaged, but it wasn’t hard (I’ve been told!) to re-teach me. I think that you will eventually forget how to do anything if you don’t do it all of
the time, but I imagin re-learning takes less time because I doubt your muscles actually forget. They just need to be shown again.
I was once worried that I was not man enough to stop walking.
I was walking home drunk, when I thought “I have to keep going” then I turned to my self and said “hold on a moment, I’m a grown man, I can stop walking any time I want” but I still kept walking. This is when I got angry, I dared my self to stop walking for 10 seconds, but still felt the urge to keep walking, so I snapped, I stopped in my tracks and counted out loud “1… 2… 3… 4…” all the way to 10. Then I continued walking, satisfied and confident that I was in control enough to stop walking if I wanted to.
I stay up nights worrying about this. I also worry that I will forget how to type. And eat. It would be horrible if I couldn’t remember how to eat. They tell me that breathing is an autonomic system, but I still think that one day, I’ll be sitting around looking at the poppies in the fields and imagining what it would be like to be a dragon dancing with a unicorn and all of a sudden I’ll forget how to breath, and I’ll die and I’ll never know whether the dragon married the unicorn or ate it.