Her reply is very curt and rather deceitful.  Plummer points out that, “in the fewest possible words she tries to stop a dangerous subject at once.” (qt’d in Morris p. 264)

“You are right when you say” is rendered by Peterson’s paraphrase (The Message) in this manner: “That’s nicely put, ‘I have no husband.’”  Her answer is honest and yet deceitful at the same time.