She's perceptive enough to know when a joke is actually that, a joke, and when it's just a guise and her brow lifts a little higher.

"My apologies, I read that she had a son but it listed his name as Hugh."

And he introduced himself as something different, which is another interesting detail.

"I'm actually here for real estate." Unlike the others they discussed earlier who were primarily here for food and booze, "I saw that your mother is one of the top agents in the area and decided this would be a good place to see how she conducts business."

A small smile as she sips her drink, "You can learn a lot about someone by watching how they interact with others."