Ingegerd - I recently took up crossword puzzles again after having essentially been in what I call "Covid Shock" (generalized mental stupor!) for the past three months or so. To my great surprise, that little crosswords corner of my brain still functions and spits out the right answer far more often than the rest of the brain spits out answers to easier, more mundane problems, such as "did I turn off that water hose?" The crosswords corner must have a moat and/or a briar hedge around it.