Death of a Salesman? This is what happens when the customer says "I'll think about it!"

You sell employment test items, based on the teachings known sales coach. The question was who was the most about the closure. How can you ask? When someone says'll think, you become a customer good service type that says "ok, call me when you're ready," or you can go for the throat and say, "He is the head?" You know the first answer is completely wrong, and the second, which is the proposed answer, probably off customers. I tried to put it mildly, but at this point he probably will not say much more than that . What should I do? I said softly, with a smile in her voice, "Mr. Customer, you might think aloud so I can hear you?"
I would not tell you, I did not expect the response I got. Heart laughed and said he could do it. A process to tell me his logic and I went to answer any objections. We were both very comfortable and had bought my product and congratulated me for my question and my closeness.
There is an old adage that says ". Smile given to another can make a difference in their lives and you too"

Decided Needless to say, it can be fun sale. I did not go to the tedious accounting and now that you are retired, the words "You may think aloud so I can hear you found my.