n. The natural state of the human mind, set to deny the harsh realities of life and thus suffer them numbly. Greatly enhanced by Hollywood.
n. The father of a family comprising Enthusiasm, Affection, Self-denial, Faith, Hope, Charity, and many other bastards.
It is a common delusion that you make things better by talking about them.
— Dame Rose Macaulay
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.
— Robert Heinlein