Butterflies and Thunderstorms

"Did you tell her?"

John nearly choked on his roast beef sandwich. Swallowing quickly, he managed to sputter, "Did I what?"

"You heard me. Did you tell Shayera about the future?"

"Of course not!"

Bruce persisted, "Did you tell anyone?"

John sighed. "I told Diana. What – why would that matter?"

"Chaos theory."

"Is that the idea that a butterfly flapping its wings in China can cause a thunderstorm in Metropolis? You sound like The Question."

"This time he might be right. By telling Diana, you may have changed the future irrevocably – starting with your daughter."

"Would that be so bad?"

Author's Note: Written for the Fanfic 100 Challenge. Prompt: Storm