Odd sci-fi for the evening; our body is host to many bacteria, including some which sense the choices of which parallel universes to stay attached to. These som

Odd sci-fi for the evening; our body is host to many bacteria, including some which sense the choices of which parallel universes to stay attached to. These sometimes influence our behavior to stay alive; after all, they want the host to live, also. Consistency is good for their river of life and death.