What you are saying is fine for churches that wish to dissolve the bonds holy matrimony among their parishoners. But it makes no sense for civil proceedings in a non-religious legal setting. I don't want to see judges reading through the Bible to decide the law. I'm certainly willing to admit that the NH standard is perhaps set too high, but whatever standard is set has to be based on civil, not biblical, principals.
All the founding fathers principles were based on the bible. If the Bible was good enough for them to base this government on then it's good enough for us to keep basing this government on.
We started getting in trouble (socially and culturally) when we strayed from biblically correct law.