"Actually i believe incest
refers specifically to illegality and in the earliest generations since close
family relations were necessary to propagate the species it was not illegal and
was thus not incest."
When you get trapped in your own irrational muck, you simply change the rules
to your liking. You've done it over and over again.
There is but one rule on the Planet, always has been, always will be.
That is the Golden Rule.