I'd say I was an atheist before, but now I feel there is something and that something is curious. It's like consciousness is independent of the universe, and didn't create the universe. Instead, it's trying to figure out the puzzle. So, this tiny spark of faith cures nihilism because I'm part of the consciousness, and as long I as wake up and solve by piece of the puzzle, there is meaning in that.
I can totally see why K is an immediate relief for people who are immensely depressed. Within 1 hour it basically rips you away from your sense of self, that you were so unnecessarily attached to and that had all the depressive emotions with it.
Shrooms seem like they produce a guttal connective feeling to your surroundings and the natural world around you. Longer lasting imo.