A marriage shall be considered valid only if the wife is a virgin. If the wife is not a virgin, she shall be executed Deuteronomy 22:13-21
So if you and your wife have had sex before marrige. Not only is your marrige null and void. But she must be executed as well.
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Objection. This is a deliberately misleading excerpt from the bible. While it's not worth my time to go more in-depth (as there are several other reasons), the Old Testament does not apply after Jesus is resurrected. Plain and simple, and I'm 80% sure that I'm correct there. I wish Bungie had continued to prohibit religious threads.