ive done it! of course. got entirely too stoned and spent a long while just thinking about me and my life, what im doing, where im going. it can be a good thing. teaches you alot about yourself. try it on some powerful mushrooms. youll learn more in that time then youve ever known about yourself your entire life.
OK I had my webcam on when I zoooned out. when i zoned enough back in, i saw myself on my monitor it and all clicked like whoa! I gave myself a head trip about myself!
I know exactly what you're talking about but strangely it hasn't happened to me since i was young--12 I think. I believe it has something to do with a strange ancestral memory based on the first monkey/person to come up with that "I think therefore i am' thing. It probably happened whilst seeing his reflection in a pond (or something).
Thats what makes weed good. You get to know yourself then you dont have to pretend who you are anymore.
I know who wrote that in particular but that's not who I meant, the concept is probably much older than that, "I think therefore I am." is just s simple way to describe a much deeper and slightly more complicated concept.