Ever wondered why is that? The reason is your legal marriage when the State becomes a partner in your union. What follows is a total control exerted by the usurpers. Best way to avoid this, is to have lawful, common law marriage. Gather your family and friends, invite a preacher, make your vows and exchange the rings. Then issue a Notice of the fact autographed by newly wed and the preacher.
You publish the notice in public, and presto-You are lawfully married.
Remember: Legal is of legislation and lawful is of law (common)