Diamond
"Elphaba, you were talking in your sleep again," chastises Nanny.
"I told you, I'm the Wicked Witch of the West…What was I saying?"
"Some nonsense about blue diamonds…"
The Witch freezes.
"Blue diamonds…"
Her mind travels back to that night…the immediate pleasure, the pain that would come later…the blue diamonds on her lover's chest…not wanting to leave the man…
The Witch screeches in rage, knocking over a chair.
"Nanny, if you want to live, never mention the words 'blue' or 'diamonds' again. Ever."
She didn't.