If He’s not matter, but still exists....what form is He in, then?Assuming god is an entity is its own right, instead of a figment of the human imagination I believe it to be, how was it created? The answer, 'god was always there', is not logical, especially as many Biblical literalists state that there is an intelligent designer behind everything that exists.
It would be an as-yet-unknown form of energy. From what we know of energy, it can neither be created nor destroyed.
Energy - Wikipedia
If so, it’s always existed.