Elizabeth Mccracken said this quote

I’m so sorry,” he said, because after Pamela died, he promised himself that if anyone told him the smallest, saddest story, he would answer, I’m so sorry. Meaning, Yes, that happened. You couldn't believe the people who believed that not mentioning sadness was a kind of magic that could stave off the very sadness you didn't mention – as though grief were the opposite of Rumpelstiltskin and materialized only at the sound of its own name.