Doctors and nurses rely on people to be able to say that their pain levels are, say, 6 out of 10 and for this to mean something. Trouble is, ask me what my pain levels are and I’ve no idea. This is to some extent yet another example of interoception problems, but it’s also a result of our erstwhile communication issues. I can’t take the question at face value, and I find it impossible to be presumptuous enough to answer with confidence.