BluePhantom
Educator (of liberals)
Lots of ancient kings and emperors married their sisters but the intent was to produce a pure bloodline for royal ascendancy. This was very commonplace in Egypt especially but you also have to keep in mind that the Pharaoh was considered to be Osiris and Osiris married his sister Isis. So to some extent the Egyptian kings got away with it because that was just what gods did. But even in ancient Rome and Greece, for example, it carried a social stigma to engage in incest.
My guess is that the stigma came from making the observation that the children were frequently fucked up and the stigma evolved from that. Over thousands of years it's simply become so ingrained in our culture that it's considered a given, but if you take the genetic element out of it, as you suggest in your OP, it boils down to "because we have decided it's taboo".
My guess is that the stigma came from making the observation that the children were frequently fucked up and the stigma evolved from that. Over thousands of years it's simply become so ingrained in our culture that it's considered a given, but if you take the genetic element out of it, as you suggest in your OP, it boils down to "because we have decided it's taboo".
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