My theory is the type of trip depends on having the right intellect, a strong
sense of self, and the brain power to go with it.
I had a friend who actually went to a doctor to have an administered back in the 60s, a dose of LSD. He said he walked out the door after the treatment, and he didn’t think anything was out of the ordinary, and he was starting to think that he was immune to it or something, but he looked up and noticed that the trees were upside down, and the roots were sticking out towards the sky, and the leaves and everything we’re on the bottom, so I thought that was funny.