>>41310723
You could read some theories like QBism or whatever premise about private worlds you could find, although it's all metaphoric in the end. The thing is, if you commit to the idea of truly having the experience of it all being your own dream and the experience behave as such, considering that's the all inclusive metaphor that pervades all experience there is and could be, then that's the primordial highest truth of it all. It pretty much explains "everything".