Catherine Simpson is around the same age as me. We’ve both received a little largesse from Scottish Book Trust. Her story is in the title. Most readers understand intuitively with the use of the past tense that her wee sister, Tricia, has passed over. In plainer terms, she’s dead. She died in December 2013, aged 46. My brother died around 1995. My partner’s brother died around the same time. They were both in their mid-thirties. Mother and...