That 90 minutes sounds like where you got in touch with some vibrations that was too high for you. Just tone down the thinking. LSD is your mind vs. you. And by you, I mean your higher self get to show off it's wisdom so every often and this is especially the time when you witness the wisdom of your own soul. Some people can sit back and enjoy the ride , where others scatter and run wild, play, have fun. Your 1st mistake was being in a basement under the ground. This chemical is for nature, outdoors, night skies, fire, non-evil friends. Your chakras are still cooling down from your last session, I personally think it will be off bygones in few days. Just chill