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@Snoopy
You might be making a logical error here. That is, what you are referring to as marriage may not be what English speakers (Christians) referred to since the origins of the word till around the 21st century. Everyone who has perused the bible already knows that marriage was around before Jesus came to fulfill the law.
for whatever reason some seem oddly confused between a marriage granted by the government, legal contract, and a religious ceremony which includes a marriage recognized by the government as a legal contract.
you can have a ceremony without being legally married or be legally married without a ceremony, they can be exclusive.