No, you told me that you couldn't find anything here that could be causing the symptoms.
I told you, there's nothing here that could have caused any of his symptoms.
We're wasting our time. Actually, I've already gotten good value.
We're wasting our time. Actually, I've already gotten good value. [SEP] I told you, there's nothing here that could have caused any of his symptoms. [SEP] No, you told me that you couldn't find anything here that could be causing the symptoms.