The Importance of Marriage in the Prophet's Day

Al-Bekhir al-Dilaw and who wants to be an honest man doesn't want to break it off with him on the basis that he's not Muslim when he really just wants to marry his daughter to the Prophet ﷺ so he says look I have to go and talk to mu-tram mu-tam by the way also he's an interesting character. Mu-tram didn't become Muslim but he was an ally to the Muslims now of course the marital laws here are still being sorted out like this is very early on in its now right so at what point does a woman have to leave a believing woman have to leaving a disbelieving man how