Not that propriety had ever shaped Jack’s actions in the past. But only now was it coming clear to him that he had forgone his one opportunity to escape, and thereby gambled his life upon the success of the Plan: a Plan that, only an hour ago, he was silently mocking as inconceivably complex, and dependent upon too many persons’ exhibiting sundry rare virtues, such as cleverness and bravery, at just the right times. It was, in other words, a Plan that only desperate men would have come up with, a Plan in which it made no sense to participate unless one had no alternatives whatsoever. Jack had only gone along with it, to this point, because he’d always known he could jump ship before the worst parts of it were put into action.