Nightfall's eyes widened slightly, but there was no other reaction from the Polychromatic -- not even a slip of the easy smile.
Should he tell her he thought it was from a book? Or that the dream-shards had told him the truth? That "night falling" was how they referred him over there... the final darkness his blade brought.
"It's because I couldn't talk," he lied, still smiling. "Quiet as night, you know."
Nightfall opened the door. "Ladies first," he said, winking, eying her tail...
...changing the subject.