Logic is a feeble reed, friend.
Why don't they make more science fiction movies? The answer to any question starting, Why don't they- is almost always, Money.
I never do anything I don't want to do. Nor does anyone, but in my case I am always aware of it.
Another ingredient in a happy marriage: Budget the luxuries first!
Sex should be friendly. Otherwise stick to mechanical toys; it's more sanitary.
Delusions are often functional. A mother's opinions about her children's beauty, intelligence, goodness, et cetera ad nauseam, keep her from drowning them at birth.