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&#x27;re tripping, you&#x27;re learning how certain psycho-active interact with brain chemistry to alter your perception of the world. There is no `you&#x27; on the one hand and `objective observable reality&#x27; on the other. And, no, I&#x27;m not arguing for solipsism.