I definitely subscribe to the idea of people self-medicating (even subconsciously). I don't have a lot of first-hand knowledge of his drug use post-high school

I definitely subscribe to the idea of people self-medicating (even subconsciously). I don't have a lot of first-hand knowledge of his drug use post-high school. However, if you believe that psychedelics are powerful enough to permanently change your worldview, then you may have to consider that they can have other permanent side effects.