"Oh, that would be telling, wouldn't it?" she said, all coyness. "Anyway, you can imagine, can't you? People get lonely or bored or just a little bit mad, and they go off in search of an intrigue or a diversion ... And then there are the people with no interest in that sort of thing," a tiny sniff, as if she couldn't believe such a thing were possible, "but who are very interesting all the same. Everyone wants something, after all..." A pretty shrug.