Originally Posted by Frownland

All of the time, man. I've had musings that life is actually a drug where you live out the entirety of some poor soul's life and that this is my trip. So when I come out of this trip I'll probably be like "holy crap, that was crazy, I had TWO eyes in that trip."

But you're definitely not alone on this dude. Me and my friends discuss it quite often during smoke sessions.