If I wanted to be an expert at rollerblading, and if I believed Malcomb Gladwell about achieving expertness, I would have about 9,997 more hours of rollerblading practice ahead of me, give or take a few minutes. In those hours of breath and sweat and flailing arms, my body would gradually get more familiar with the sensation of gliding on concrete. My sense of balance and timing would adapt to the reality of wheels. I would be able to anticipate dangers quicker. My awkward, jerky motions would turn into smooth, confident strides. It would become less an exercise in careening, and more of just plain exercise. Muscles in my legs and core, muscles that before were weak and unused, would get stronger and bigger.
Also, my brain would grow new white matter.
Myelinating is the process of forming new connections in the brain, new white matter. And in the process of becoming an expert at rollerblading, I would myelinate like a motherfucker.
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