And this very comment provides evidence that you haven't really read HV with an open mind and heart, and thus, you haven't yet grasped it.

As if "HV says that a primary reason for having intercourse is procreation" from your pen doesn't also prove this deficiency.

The full fruits of marriage aren't just sex, aren't just children, but a life of gift to the good of these first fruits of marriage!  To the proper integral development of these new children of God.

Saying yes to God is demanding! Love demands!

HV is honest in that it doesn't shy away from the demands of God.

The secular world doesn't even want to hear about God, much less about a "cleverly demanding" God,  a God Who knows our nature, and knows that we are happiest when we're not focused on ourselves and our self-pity. 

Raising children well..so they all don't end up psychologists office all the time..or in jail..or in divorce..or in confused about who they are, etc. etc....takes endless work, sacrifice.