One of the more fanciful technologies in “Star Trek” is a transporter, which converts your body into energy, beams that energy someplace else, and then reconstitutes your body at the new location. A related technology is the replicator, which can create unlimited supplies of food, firearms, vintage scotch, and other essentials for modern living.
As far as I can tell, the only thing that prevents perfect cloning — two copies of you, where both are essentially the original — is social convention. Every once in a while this sort of thing happens anyway on “Star Trek”, and it never ends well.
It occurs to me, thinking about this scenario, how we would each get along with our own perfect clone. That is, if we were to encounter exactly ourselves as another individual — same memories, same personality, same everything.
A fundamental aspect of being human is that any other individual, no matter how well you know them, remains on some level fundamentally unknowable. You can never tell what thoughts or aspects of their personality they are choosing to hide even from their nearest and dearest. But this would not be the case for your perfect clone.
So if any of us were to come face to face with our own perfect clone, there would be no secrets. I wonder whether this would come as a relief, or whether it would freak the hell out of us.