It's a fearful responsibility to have a child in your house you can't trust.
Slyness and untruthfulness--that's what she has displayed.

I declare I feel worse about that than about the brooch.

If she'd only have told the truth about it I wouldn't mind so much." Marilla went to her room at intervals all through the evening and searched for the brooch, without finding it.

A bedtime visit to the east gable produced no result.

Anne persisted in denying that she knew anything about the brooch but Marilla was only the more firmly convinced that she did.
She told Matthew the story the next morning.