"You can't stop writing," says Salter, who notes that Roth is reportedly in active correspondence with his biographer, Blake Bailey. "Even if you say you're not writing books anymore, you're making notes, perhaps writing in your journal. I dare say, even when you feel, 'Christ, I can't do it anymore,' you're still observing life and taking things in. You're thinking, 'I'd love to write that story. I wonder how I'd do it?'"