What is the basis for morality?

[Staizer]

The main problem that I see with incest isn't the reproductive repercussions, even though those exist.

The problem with incest is that it is a refusal to look into the world. Much like a lot of other sexually related problems, incest is what happens when a person is too afraid to believe they can have Person A and instead go with what they are familiar with, Sister A.

People such as this refuse to see that they can have a much more enriching relationship outside of their own box than inside of it. Once again, much like everything else people do to tell themselves that they don't need to "go outside."