What are you thinking of so earnestly?" said he, as they walked back to the ballroom; "not of your partner, I hope, for, by that shake of the head, your meditations are not satisfactory." Catherine coloured, and said, "I was not thinking of anything." That is artful and deep, to be sure; but I had rather be told at once that you will not tell me." Well then, I will not." Thank you; for now we shall soon be acquainted, as I am authorized to tease you on this subject whenever we meet, and nothing in the world advances intimacy so much.
Jane Austen (2009). “Jane Austen: The Works in Eight Volumes”, Cambridge Scholars Publishing