He did not choose to risk anything by her indiscretion.

Donna Tullia hesitated, seeing that he was firm.

She was tortured with curiosity beyond all endurance.
"I am only promising to marry you in case I reveal the secret ?" she asked.

He bowed assent.

"So that I am really only promising to be silent?
Well, I cannot understand why it should be solemn; but if you wish it so, I will do it.