Headship in Marriage: Called to Live Like Kings

There is a children's song that goes like this: "First comes love. Then comes marriage. Then comes 'you know who' with a baby carriage." No, not exactly, sad to say. And certainly not today. Not in that order, in some instances; but in others, not with that fruit. Marriage, in far too many instances, does not mean a readiness to have children at all. It is not considered "smart." My only question at this point is, who for us determines what is "smart" (wise)? Society? Self? Or God and His...