The art of the question

How people say, "that's a good question" or "that's a really good question" when they're trying to get something from you, or to sell you something.

The real question is do they really think it's a good question, the one you asked and the one to which they said, "that's a good question," or are they only saying this to try to sell you something.

"Yes, thank you," you might say when they say to you, "that's a good question," feeling you've been understood as being intelligent enough to ask a good question and going on from there.