God's God

[Neo-Scholastic]

Is there evidence for this, or is it simply hypothetical?

You guys never tire of demanding physical evidence for non-physical things. (Hence my new signature line.) Not exactly logical is it? Is it hypothetical? Sure, in the sense that everything is hypothetical. The real question to you is this. What is the logical alternative? The idea that the physical universe has always existed requires an actual infinity. Are you prepared to argue for the existence of an actual infinity?

Also, if it is changeless, then it would be in the same state forever.

Maybe you are starting to understand afterall...or not.

So, why did the original(ish...as you say there is no time) state include a god? Why would a god always exist/exist in the first place? You seem to think that you can simply say there is no reason needed (special pleading), but if you do, then this does not exclude the possibility that said god is a deistic version of the Flying Spaghet

The cosmological argument provides justification for believing in a set of initial/necessary conditions required to support the existence of anything at all, including existence itself. After that, you examine the nature of those initial conditions. Some people identify the attributes of the necessary conditions as being the same as those of God. Anyway it is clear that you either do not understand the logical conclusions of your own thinking or you do not want to.