Here are some examples
"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
"If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman."* DEUTERONOMY 22:22
Divorce is strictly forbidden in both Testaments, as is remarriage of anyone who has been divorced.* MARK 10:1-12
The Bible forbids a married couple from having sexual intercourse during a woman's period. If they disobey, both shall be executed.
"Never have sexual intercourse with a woman while she is unclean during her monthly period."* LEVITICUS 18:19
If a man dies childless, his widow is ordered by biblical law to have intercourse with each of his brothers in turn until she bears her deceased husband a male heir.
"Moses wrote for us that if a man's brother dies and leaves a wife but no children, the man must marry the widow and have children for his brother."* MARK 12:18-27
"If two men are fighting and the wife of one of them comes to rescue her husband from his assailant, and she reaches out and seizes him by his private parts, you shall cut off her hand. Show her no pity."* DEUTERONOMY 25:11-12
... and you still want to ban same sex marriage? why not trying to ban law allowing divorces and try to make a law trying to ban sex during menstruation????