Health: Doctor becomes patient and describes pain

Doctor becomes patient and describes pain in healthy blog.
http://well.blogs.nytimes.com/2011/08/12/do-patients-have-the-toughest-job-in-medicine/

In this episode of how the medical world turns, a doctor endures a hideously mangled broken leg and gets some insights into patienthood.

One thing he mentions is that it is tricky to describe pain, much less assign it a number. The few times I have been asked to do this, for some reason, my subconscious did spit a number into my head. He is

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