There are 7427 blatant absurdities in the bible. The infallible book from a perfect God has many “what the F?” moments.
Marriage or cohabitation with a sister is denounced
Deuteronomy 27:22 Cursed be he that lieth with his sister, the daughter of his father, or the daughter of his mother. And all the people shall say, Amen.
Leviticus 20:17 And if a man shall take his sister, his father’s daughter, or his mother’s daughter, and see her nakedness, and she see his nakedness; it is a wicked thing; and they shall be cut off in the sight of their people: he hath uncovered his sister’s nakedness; he shall bear his iniquity.
Abraham married his sister and God blessed the union
Genesis 17:16 And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her.
Genesis 20:11And Abraham said, Because I thought, Surely the fear of God is not in this place; and they will slay me for my wife’s sake.12And yet indeed she is my sister; she is the daughter of my father, but not the daughter of my mother; and she became my wife.