The belief-transmission network of which we are a part cannot operate without a continuously replenished supply of people to do the transmitting, thus the belief that children are a source of happiness becomes a part of our cultural wisdom simply because the opposite belief unravels the fabric of any society that holds it.
As the philosopher John Stuart Mill wrote, "It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied. And if the fool, or the pig, are a different opinion, it is because they know only their own side of the question.
As students of the silver screen recall, Bogart's admonition about future regret led Bergman to board the plane and fly away with her husband. Had she stayed with Bogey in Casablanca, she would probably have felt just fine. Not right away, perhaps, but soon, and for the rest of her life.
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