Favorite Answer

Well, I could describe the scientific reasons as to why Earth doesn't have a ring, involving the principles of the theories of physics based on testable observation. This would tell of the gravitational interaction between the earth and moon making such a ring unstable, all the particles being disturbed and eventually falling to the surface.

However, as you've decided you don't believe in such theories, choosing faith over evidence, I'll just say it's because the gods (or only one if you prefer) decided that it spoilt the view of the orbiting purple unicorns, and being omnipotent, said 'Bang!' and it disappeared.

Well, if you don't accept rational explanations, don't expect an answer based on such rational explanations! :-)