The taxi pulled up outside our town house and the driver took the luggage out of the boot. My father paid the driver, gave the nun a welcoming hug, and grabbed her two suitcases. We had been waiting for what seemed like ages for her to arrive; the whole family had been lined up in the yard, excited to meet her. Sister Maura had been Dad’s schoolfriend when they were young. She had spent the last twenty-five years on the m...