Should the husband be informed of his wife’s relationship with her former fiancé, after she was forced to marry him, especially since the husband was aware of this beforehand? Is this relationship considered a “love sickness”? Is she permitted to seek a divorce to marry that man?

It is forbidden to propose to a woman who has already accepted another man's proposal. However, if a marriage contract (nikah) is concluded based on that forbidden proposal, it is considered valid.

A woman cannot be forced into marriage, and she has the right to annul the contract. However, once the contract is concluded, she is not permitted to seek a divorce except for a legitimate reason.

For a married woman to continue a relationship with her former suitor is a clear sin and transgression. Both she and her suitor must be advised and reminded of Allah Almighty.

The husband can be subtly encouraged to protect his wife and teach her matters of her religion. If he becomes aware of the situation, he should be advised to address her disobedience (nushooz). If she persists, he should be advised to divorce her, especially if she commits adultery, because there is no guarantee that she will not corrupt his bed and bear a child who is not his.