She was pale, but not excited.

She believed Donna Tullia to be insane, perhaps dangerous, and she calmly proceeded to protect herself by calling for assistance.
"Either you are mad, or you mean what you say," she said, keeping her eyes upon the angry woman before her.

"You will not leave this house except in charge of my physician, if you are mad; and if you mean what you say, you shall not go until you have repeated your words to Don Giovanni Saracinesca himself,--no, do not start or try to escape--it is of no use.

I am very sudden and violent--beware!" Donna Tullia bit her red lip.

She was beginning to realise that she had got herself into trouble, and that it might be hard to get out of it.