"No, thank you, I'm set." She indicates her drink with a loose gesture using her free hand. Said drink happens to be a Ritz Sidecar, of all things. On the topic, she says, amiably: "Phylloxera-free vineyards are pleasantly prevalent here, so if you like cognac at all, they've a pretty remarkable selection."

...signs you know too much about alcohol: you can date types of cognac as being pre-1860s by taste and you're not, actually, an immortal vampire.