Saskia ought to have been paying attention to the advanced controls and unusual features of the hydrogen-powered plane. Ervin was keen to show her these, on the assumption that one day she’d be piloting it herself. And she did manage to show a polite level of interest, but only by dint of a lifetime’s royal experience pretending to pay attention to things for the sake of other people’s feelings. She got the sense that Ervin was frustrated, or at least a bit nonplussed, by her tendency to drift off into long silences as she pondered the prince’s words.