Exactly. Au revoir! Whittington looked almost genial again, a reversion that aroused in Tuppence a faint misgiving.
Tuppence thought she had made a mistake, and unwittingly gave Whittington the edge.
mnli hypothesis: Tuppence thought she had made a mistake, and unwittingly gave Whittington the edge. premise: Exactly. Au revoir! Whittington looked almost genial again, a reversion that aroused in Tuppence a faint misgiving.