Oh my word! I think it's a comfort thing. When I was little, I was convinced that my cousin's ceiling fan shadow was a witch coming to pull off my nose. Ever since then, the fear is gone, but my blanket is up over my nose.
True-ism: Actual poster from the issued by Senator Joseph McCarthy at the height of the Red Scare and anti communist witch hunt in Washington. All artists were suspect but the irony of this, is that Senator Joseph McCarthy was the one who was dangerous!