What is the ruling on a wife posting pictures of young men she does not know out of admiration for them, without her husband's knowledge? Is she considered a betrayer of her husband, and what should the husband do if he finds out about this?

A woman posting pictures of young men she admires is not permissible, regardless of whether her husband knows or not. This action is a transgression against Allah and exposes one to temptation. Islamic law has commanded lowering the gaze. If the husband is aware of this, he must prevent his wife from doing so and explain the ruling, obligating her to fulfill her duties and prohibiting her from unlawful acts. For men are guardians over women, by enjoining them to fulfill the rights of Allah and restraining them from corruption.