A marijuana high can enhance core human mental abilities. It can help you to focus, to remember, to see new patterns, to imagine, to be creative, to introspect, to empathically understand others, and to come to deep insights. If you don’t find this amazing you have lost your sense of wonder. Which, by the way, is something a high can bring back, too.
Stephanie had been raped, beaten and left for dead on the Atlantic City Boardwalk several times. You'd think she would have hit rock bottom after those experiences. But no. None of that made her quit. It just made her want to use even more drugs, to forget her miserable life. As long as she could get high, she didn't care if she was being raped in a dark alley. At this point in her life, a lethal overdose probably would have felt like her salvation.