Numbers 5:18-20

18The priest will bring the woman into the Lord’s presence and loosen her hair. In her hands he will put the offering used for a confession (that is, the grain offering brought because of the husband’s jealousy). The priest will hold in his hands the bitter water that can bring a curse.

19“Then the priest will say to her, ‘If no other man has had sexual intercourse with you and you haven’t been unfaithful to your husband, you’re not guilty. This bitter water that can bring a curse will not harm you.

20If, in fact, you have been unfaithful and have had sexual intercourse with another man,