Hercule Poirot sort of obsessive-compulsive" in Poirot. As mentioned in "Curtain" and "The Clocks", he is fond of classical music, particularly Mozart and Bach. In "The Mysterious Affair at Styles", Poirot operates as a fairly conventional, clue-based and logical detective; reflected in his vocabulary by two common phrases: his use of "the little grey cells" and "order and method". Hastings is irritated by the fact that Poirot sometimes conceals important details of his plans, as in "The Big Four". In this novel, Hastings is kept in the dark throughout the climax. This aspect of Poirot is less evident in the later novels,
Hercule Poirot justice that twelve jurors had acquitted him and twelve people had stabbed him, Poirot produced an alternative sequence of events to explain the death. After his cases in the Middle East, Poirot returned to Britain. Apart from some of the so-called "Labours of Hercules" (see next section) he very rarely went abroad during his later career. He moved into Styles Court towards the end of his life. While Poirot was usually paid handsomely by clients, he was also known to take on cases that piqued his curiosity, although they did not pay well. Poirot shows a love of steam trains,