The hallmark of a deep explanation is that it answers more than you ask
Our external physical reality is a mathematical structure.
In infinite space, even the most unlikely events must take place somewhere.
In 2056, I think you'll be able to buy T-shirts on which are printed equations describing the unified laws of our universe.
If life were a movie, physical reality would be the entire DVD: Future and past frames exist just as much as the present one.
I believe that consciousness is the way information feels when being processed.