"Homesickness is absolutely nothing," she said angrily. "It is absolutely nothing. Fifty per cent of the people in the world are homesick all the time. But I don't suppose you're old enough to understand. When you're in one place and long to be in another, it isn't as simple as taking a boat. You don't really long for another country. You long for something in yourself that you don't have, or haven't been able to find."