Thank you very much for the link.
One of my personal interests and something I have experienced first hand! Hope many more can complete this.
“How long will this last, this delicious feeling of being alive, of having penetrated the veil which hides beauty and the wonders of celestial vistas? It doesn't matter, as there can be nothing but gratitude for even a glimpse of what exists for those who can become open to it.”
― Alexander Shulgin, Pihkal: A Chemical Love Story