Delirium was unexpectedly good about keeping certain things secret. Much like when she had remembered the Major in her own way when he first arrived and kept the secret about the big rallies with the loud speeches, she knew when secrets ought to be kept. And besides that...

"That sounds really lovely!" she said, mirroring his cheerfulness with a slightly cracked version of her own. "I'll like that, but... um... I'll go and hide when people start screaming. I don't like that part as much..."