In Assassinio sull'Orient Express (2017), Poirot says he likes symmetry (same sized eggs, stepping in poop with both shoes, etc). He says to Ratchett that he doesn't like his face, likely because of the asymmetrical scars. In this film, the audience finds that Poirot's own face is also asymmetrical and he grew the large mustache to hide it adding a new depth to the previous film's conversation.

Film

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