Suspiciously quick subject change.

"What are you holding?"
"Three aces."

Agreed, denial followed by a subject change is usually a confirmation of what you were suspecting haha

Nocsford is a distinguished man of letters. A truly cultivated gentleman. Do not be so impudent as to inquire into his romantic interests, young lady!

Oooo I wonder who he was writing a love letter to?

What are you holding? And how are you holding it? Do you have a thumb, sir?

invasive much? lol