The Duke of Sussex’s tell-all memoir Spare is not sparing in its extraordinary revelations. After it went on sale in Spain ahead of official publication, excerpts have dominated media outlets. According to accounts, Harry writes on his deteriorating relationship with his brother, his despair over the death of his mother, and even about losing his virginity in a field behind a busy pub aged 17. The accounts are reinforced by a series of trails for TV interviews by Harry before the book is published. Heir and Spare Prince William was the heir, “whereas I was the spare”, Harry writes, according...