Copper,
I have had the same thought. The funny part of it is I found out I had brain aneursyms when a MRI was ordered after I woke up with facial drooping on the right side. The drooping was actually due to Bell's Palsey. In the few weeks until my face recovered people offered to let me go first in line and smiled pleasantly while talking slowly, etc. I wanted to put a sign around my neck saying there was nothing wrong with my mind, only my face. Who would have thought that a few months later (after brain injury post craniotomy) I would be wanting to wear a sign saying "please be understanding. my brain has been hurt though I'm looking just fine".