You've always believed that the body that you're in, reading this, was your true actual body because it is your physical body. But what if this body is merely your avatar in a simulated game world?
Perhaps your true body exists in an astral dimension. Perhaps your astral body is plugged into a hivemind machine that feeds your every creative whim into a database of the Godhead. Perhaps all of your work here in this simulated environment is just to collect data and upload it to a drive that consumes all of our thoughts, feelings, and manifestations of the mind...