“Do Not Commit Adultery.”
“No!” answered Bnei Yisrael. “We will not commit adultery. We will never marry a married woman.”
Another two important words: Lo Tinaf. Spouses are commanded to be loyal to one another and not marry someone who is already married.
“Would you marry me?”
“No way! Out of the question. Of course not! Don’t even think of it! Never! I am a married woman and you can’t marry a married woman!