so he had to tell her his story ; and that necessitated telling his father 's story ; and to be understood , that story in turn had to be prefaced by the history of corinth , or at least as much of it as was needed to see that demaratos had overplayed his hand - and within half an hour ( as he realised glumly soon afterwards ) she 'd mined him for as much information as any etruscan would ever need about the political affairs of the hellene cities , and the way demaratos had made his fortune .