My Metaphysical Framework

I believe, at this point in time, in panentheism. God exists, but God exists in everything and everything exists in God. Existence itself is God. I see divinity everywhere, particularly in live creatures and nature. I suppose, though, that as man-made goods have existence, God must be in them too. Why?

There's this awesome proof for God's existence, one of the first I ever learned, in which God supplies the existence that existing things must receive. It goes something like this:
P1. All existing things are caused by some other existing thing.
P2. In order to break an infinite metaphysical regress, there must be some uncaused existing thing that supplies the existence that caused existing things must receive.
C. God is uncaused existence itself.

I came to panentheism because I have wondered since I learned that proof as a freshman how the uncaused God could supply existence without somehow imparting divinity to caused existence.

There are other, non-philosophical reasons why I believe in panentheism, but I will save those for a post about my theological framework. There is no place for subjective personal beliefs in metaphysics.