Well, that might be up there with "How many angels can dance on the head of a pin?" I suppose you can can try and set a standard, but I'm not sure what they're worth.

I know when I go to the doctor or to a hospital I'm often asked, 'On a scale of 1 - 10, how bad is the pain?

I don't know. How bad is 10? One nurse ( In an Adelaide hospital ) offered: child birth would be number 10, but with me not being a woman, that didn't help much.