I think that there is practical reasoning for everything it ain't all mystical mumbo jumbo like the Bible scholars try to make it seem.
He say follow the laws of the land and He say only a marriage between man and wife is recognized by Him.
By following this advice you are both protected by law should one of you(or both) decide to lie and take advantage of one another.... they don't call it a ball and chain for nothing.
But adults should be mature enough to were them consideration ain't necessary.
I'm not exactly sure what you're getting at but didn't you read my post? He is innocent and we both have been extremely faithful to one another.
That's alright by the way, mistakes happen.