I knew something was dreadfully wrong, but I had no idea what, and I had been brought up to believe that you kept your problems to yourself. Given that, it turned out to be unnervingly easy to keep my friends and family at psychological bay: “To be sure,” wrote Hugo Wolf, “I appear at times merry and in good heart, talk, too, before others quite reasonably, and it looks as if I felt, too, God knows how well within my skin. Yet the soul maintains its deathly sleep and the heart bleeds from a thousand wounds.”