I also grab whatever I'm sitting on so hard,

Me too! For almost 30 years it has been pretty regular and I get an infusion treatment every 2 months, so that requires an IV... it is the idea of it that is the worst bit for me - not the pain.

I'll just pass out and die with the patient.

:D

Bitcoin with its huge energy consumption may soon be outdated, and replaced by better blockchains.

Possibly, but it can still act like gold. Gold isn't very handy, but they keep mining it and protecting it at the likes of Fort Knox (if that is still a thing)