"My wife," Jayne added, closing one eye and taking aim at the pin. "My moonbrain."
"Why do you call her that?"
"'Cause she is. River don't exactly have a strong hold on reality at the best of times." As if to make the point, the horseshoe slipped from his grasp and clanged to the deck. He bent down to pick it up, then wondered why the walls seemed to have taken on a life of their own as he straightened up.
"She's your wife and you call her crazy?" Declan shook his head. "That's ... crazy."
-- The Bouncing Ball Ch 10 by Angellemarcs