The experience you are having in your head is your reality, reality is always (inter-)subjective. Of course you are learning something about the physical univer

The experience you are having in your head is your reality, reality is always (inter-)subjective. Of course you are learning something about the physical universe when you're tripping, you're learning how certain psycho-active interact with brain chemistry to alter your perception of the world. There is no `you' on the one hand and `objective observable reality' on the other. And, no, I'm not arguing for solipsism.