Комментарий к Бамидбар 5:31

ונקה האיש מעון THEN SHALL THE MAN BE GUILTLESS FROM INIQUITY — This means, if the waters try her (have effect on her), he should not worry and say: “I have incurred guilt through her death!” — No, he is free from punishment. Another explanation is: As soon as he has made her drink the water and she is proved innocent she may lawfully remain with him as his wife, and he is free from sin in permitting this, but if he lives with her before this, he is not free, for a סוטה (a wife suspected of infidelity) is forbidden to her husband pending her trial (cf. Sifrei Bamidbar 21).

ונקה האיש מעון, even though he had suspected his wife’s fidelity. The reason is that by her conduct she had given him just cause for such suspicions. Had she not ignored his warnings things would not have come to such a pass. We have our sages in Shabbat 56 on record that David did not accept badmouthing which was designed to make Mephiboshet appear as having been disloyal to him. He rather based himself on visual evidence. [This was Sh’muel’s interpretation of what had occurred. Rav disagrees with his assessment. Ed.]

ונקה האיש מעון, even though he had been responsible for his wife coming to such a tragic end due to his having been jealous of her. Personally, I think the Torah tries to tell us that if her husband had remained silent about his suspicions, he would have been guilty, whereas now he is not. Seeing that once he was suspicious of her fidelity he was forbidden to cohabit with her, he had no other option. Instead, היא תשא את עוונה, she will have to bear the burden of her guilt. Seeing that she had committed adultery she has to accept the consequences.