Scarlet Pimpernel Questions Chapter: Chapters 16–17

The Scarlet Pimpernel, chapters 16–17
What does Marguerite discover about her husband’s true feelings during their conversation?
Why had Marguerite held back the explanation of what happened in the case of the Marquis de St. Cyr?
What promise does Sir Percy make to Marguerite when she tells him about Armand’s danger?
What did Sir Percy’s note to Marguerite say?
What does Sir Percy confess his business has to do with when Marguerite voices her
suspicions?