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You can find some cursory introductory information about the construct of the Hero's Journey here: http://www.thewritersjourney.com/hero%27s_journey.htm. Also, you've inspired me to write a post about it! Thanks!

It can describe most of questions :)

“Cannabis is anathema to the dominator culture because it deconditions or decouples users from accepted values. Because of its subliminally psychedelic effect, cannabis, when pursued as a lifestyle, places a person in intuitive contact with less goal-oriented and less competitive behavior patterns. For these reasons marijuana is unwelcome in the modern office environment, while a drug such as coffee, which reinforces the values of industrial culture, is both welcomed and encouraged. Cannabis use is correctly sensed as heretical and deeply disloyal to the values of male dominance and stratified hierarchy. Legalization of marijuana is thus a complex issue, since it involves legitimating a social factor that might ameliorate or even modify ego-dominant values.” Hallucinations, 1994