regularly using nitrous is such a fucking stupid thing to do. Chronic use stops your brain from being able to use vitamin b12, which causes demyelination of your neurons. It's permanent cumulative damage. He's literally dropping years off his life, and is significantly increasing the likelihood of developing muscle control issues basically anywhere on the body; speaking, walking, vision, shitting his pants, etc. It's basically voluntary MS.
It might take a couple decades before he dies early after years of being a crippled demented diaper wearing loser who can't see or hear or speak, but we'll be getting the last laugh