"Anyway, solitary people interest me. There are so many different ways of being solitary.' 'I know just what you mean,' said X. 'I know exactly what you're going to say. Different kinds of solitude. Enforced solitude and voluntary solitude.' 'Quite,' said Viktoria. 'There's no need to go into it further. But when people understand one another without speaking, it can often leave them with very little to talk about, don't you think?"