This is based on watching a man on a train intent on completing the crossword.
THE CROSSWORD ANSWERER
No mystic, like a puritan seeking God
He looks for the right answer. His brow furrowed
Mouth tight, hands twitching
As he nearly writes.
No half-truths, no deception will deliver
Only the narrow path to 13 down
Will reach the treasure
That will point him on
To the next clue, and when the puzzle’s conquered
The oyster’s open and the pearl has gone
He’ll start another
Endless it might be
For what the end might be, there is no clue.
simonsworlds13 
Caddo Veil
/ December 4, 2011I have a friend who does crossword puzzles just like you describe–Me, I can’t do them…
simon7banks
/ December 4, 2011I don’t do crossword puzzles either. I suppose I could, but it doesn’t interest me. I’d rather devise them. My 86-year-old mother, though, does quite difficult ones regularly. I suppose the poem is describing a type of person I’m not.