The controversial comic's new book is a surprising mix of memoir and self-help. Has having a baby softened his edges? He talks about depression, anxiety, punching down and his friend Sean Lock Before I have time to ask the Covid-era question "Are we doing handshakes?", Jimmy Carr has thrust out his arm and grasped my hand. Then, suddenly, he lets go and screams: "Oh God, no! My hand's covered in Covid!" Comedians are…