Separation of Church and State, but mostly of Church

It is often asked what harm, if any, it would do to heterosexual marriage if gay marriage were legitimized?

I suppose if we lived in a strictly Libertarian Commonwealth, where marriage was nothing more than a contract enacted for the services (sexual, child-rearing, companionship, and so on) of a willing and fertile young wageearner-ess needing a steady income and a place to stay, the presence or absence of a member of the opposite sex would not matter to the work contract. Libertarians hold ...