In my opinion this is the most important; Only joining to one whom Yah approves, and that there be true loyalty;
2 Corinthians 6:14, "Do not become unevenly yoked with unbelievers. For what partnership has righteousness and lawlessness? And what fellowship has light with darkness?"
Deuteronomy 7:2-4, “And when יהוה your Strength gives them over to you, you shall strike them and put them under the ban, completely. Make no covenant with them, and show them no favor. And do not intermarry with them – you do not give your daughter to his son, and you do not take his daughter for your son, for he turns your sons away from following Me, to serve other mighty ones. Then the displeasure of יהוה shall burn against you and promptly destroy you.”
Ephesians 5:25, "Husbands, love your wives, as Messiah also did love the assembly and gave Himself for it,"
2 Corinthians 6:14, "Do not become unevenly yoked with unbelievers. For what partnership has righteousness and lawlessness? And what fellowship has light with darkness?"
Deuteronomy 7:2-4, “And when יהוה your Strength gives them over to you, you shall strike them and put them under the ban, completely. Make no covenant with them, and show them no favor. And do not intermarry with them – you do not give your daughter to his son, and you do not take his daughter for your son, for he turns your sons away from following Me, to serve other mighty ones. Then the displeasure of יהוה shall burn against you and promptly destroy you.”
Ephesians 5:25, "Husbands, love your wives, as Messiah also did love the assembly and gave Himself for it,"