Sounds like a nightmare, but since I could never be aware of any of my other selves, each would feel like its own unique experience. And that's only just accepting the fact that whatever forms in another universe could even remotely be considered me.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell