I find a nice cup of tea is good for a brain that hurts. :wink:
Anyway, the notion of God and the questions that lie there in appear to be perfectly natural ones. I can't remember where I picked up this example but it's simply within our nature to seek cause. You roll a ball of string into a room and the cat dives straight for it (unless it's lazy or smarter than we give it credit for, in which case it tends to roll it's eyes
). Roll a ball of string into a room with a person sitting in the middle of it and he'll look to the direction it came from.
As a group, we also like to build, create and destroy things. Again, we create a chair, a building, a city, a network of paths to interlink cities to create countries, it's only natural to then ask the biggest question of all, who created the world? To people, the intricacies, wonders and spectacles of life hint towards a creator, we simply look to ourselves as an example. The concept of 'God' (including the rejection of such an idea) is a very general one and it's diversity is representative of humans in general.