This is the craziest rhetoric I’ve ever heard. People love hearing interests from a fanatics perspective. If you have an almost unhealthy interest in something, test the waters. See how much the recipient is interested in hearing you talk about this, and if they are, go all out. I’ve learned so many interesting and niche things I never would have by engaging with people with hyper fixated interests.
People may think he’s crazy, but part of psychedelics is hypersensitivity. I doubt he could actually see in the dark and smell landmines, but his brain probably recognized very small details and fabricated hallucinations based on what little he did pick up on.