You may have expected that enlightenment would come ZAP! instantaneous and permanent.This is unlikely.After the first ah ha expereince, it can be thougth of as a thinning of a layer of clouds.
Ram DassPsychedelics helped me to escape.. albeit momentarily.. from the prison of my mind. It over-rode the habit patterns of thought and I was able to taste innocence again. Looking at sensations freshly without the conceptual overly was very profound.
Ram Dass