011. Red
Kate's most vivid memory of the island, after the shock and chaos of the wreckage, was of Jack, his back stained with blood, asking her if she could sew.
He trusted her to do something people went to years of school to learn how to do.
Her first thought was that he was insane.
Later, she realized Jack knew that purpose overcame fear. Counting did not chase fear away; the knowledge there was still something to do did.
The counting allowed time to figure out what that purpose was, gave the counter the opportunity to decide which way to run.