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I keep reading people complaining about rape and this and that, I believe a distinction needs to be made. He didn't rape her or sleep with her because he wanted to or even for his benefit or because of lust. Granted, it was not a romantic moment where vows and promises of eternal love were exchanded but it was not rape. This is not harem, there's barely romance per say. There is a romantic interest but it does not occupy 1% of the story.
Finally to my point: what happened between them was necessary to save her life and he was respectful and consulted is love interest on the issue(as he should). It was all so simple and clear that I am very confused with all these claims.
Plus having more than one wife is a normal ocurrence in some cultures. Nothing to condem him about and certaily not at the time this is being portraited.