And that brings us to that special breed of people but for whom the world would be quite clueless about crosswords, cryptic or simple.
It was his girlfriend who taught him to love cryptic crosswords, as they backpacked across Africa to a new life in London, and it's a passion that seems to have endured.
On the contrary, the singer values his cryptic , enigmatic inscrutability.
Filling in the various forms is a bit like filling in a cryptic crossword, except that the answers aren't published in the paper the next day.
Anyone keen to learn the secrets of cryptic crosswords will find more than enough clues in this charming memoir, which traces Balfour's own growing fascination with puzzles.
A vexatious variant of the crossword is the cryptic crossword - just reading the clues to a cryptic crossword is enough to reduce whole swathes of the population to weeping and gibbering.
Female hummingbirds have more cryptic coloration than males, most likely so that they do not attract predators to the nest when incubating and feeding chicks.
A few species of accipitrids may use cryptic coloration to get close to their prey.
Though densely packed with official papers the narrative is never dull and for the specialist in constitutional niceties the challenge in reading is almost as subtle as a cryptic crossword.
While males remain white, females molt into one of the most cryptic plumages known in birds.