Originally Posted by Botnst

But with incest, in complete contrast with homosexuality, my taboo is so overwhelming that I don't have a problem imposing that bit on society -- there "should" be a social taboo against brother-sister sex, even if both are perfectly sterile. Why? Because I think that individuals have a herd responsibility. On some few issues the value of the herd is greater than the freedom of the individual. In this case, sibling incest, the burden of procreation is placed on society. Even worse is parent (or step-parent) and child incest.

That oughtta get the conversation flowing!

B