As the Diary of a CEO presenter gets lambasted over his two glasses of wine panic that ruined his tracking data, Rosamund Hall explains why health optimisation tools are backfiring and making us increasingly unhappy – and even lonely T his time last week, I was enjoying lunch at a simple seafront restaurant in northern France. Families gathered over towers of seafood, old and young alike tucking into cockles, crabs and crevettes with chattering happiness. Nobody was taking photos, and everyone,