‘Narcissists – only more devious’: Anita Chaudhuri explores the world of the Dark Empath and how to recognise the danger signs; ‘Henry VIII is a serial killer and abuser’: what’s behind the flood of 21st-century retellings of the Tudors, including the new TV series The Mirror and the Light?; and Philippa Perry advises one reader on how to circumnavigate emotional hesitancy.