A lot of people recommend having a guide on a trip, just like having a guide to go exploring some mountains or someplace. The guide could help a person experiencing psychological issues to get through them. Its like just wandering in to some unknown terrian, some people can get lost real easy or be unprepared for what they find and experience. LSD was giving in lots a psychotherpy sessions in the 1950's, so was MDMA in th 1980's. That was, for a time, its primary purpose of use, to help people resolve psychological issues, but with the help a psychologist as guide.
LMFAO i never thought id hear (in this case, see) that word since i moved out of PA... although ive never found a good acid connection outside of PA