Christians have also deluded themselves into believing that they own the moral high ground on the entire institution of marriage.
Opposed to redefining the definition of marriage.
The sweet and fluffy default view
For this reason a man will leave his father and mother and be united to his wife, and they will become one flesh.
“Traditional” Marriage as detailed in the Bible
King David has seven wives
1 Chronicles 3:1-5
Brief Survey of Notable Biblical Couples