They used to think control of the sympathetic nervous system was completely unconscious but that’s not true. People like Wim Hoff have taught volunteers how to control their sympathetic system through breathing, and there are studies on it.
>Hitherto, both the autonomic nervous system and innate immune system were regarded as systems that cannot be voluntarily influenced. The present study demonstrates that, through practicing techniques learned in a short-term training program, the sympathetic nervous system and immune system can indeed be voluntarily influenced.
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>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4034215/
So I would argue that it’s more about self control and practice than being something that’s impossible to control.
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