No lover gave her poetry like Leonard, and even after their affair ended, she continued to communicate with him in song most memorably in “A Case of You.” She recalled that Cohen told her, “I am as constant as the Northern Star.” Shakespeare’s Julius Caesar says this to Brutus, and it’s not far from there to “Et tu, Brute.” “I knew it was from Julius Caesar,” Cohen recalled, “but I didn’t say it with Shakespeare’s irony.
