Sorry, I don't remember your name?

I once said to a woman "I don't know what it's called", then felt bad I couldn't help her and tried to make light of it, joking "I have that thing where you can't remember names".
She looked me in the eye "Anomic Dysphasia?".
I was so stunned that she knew the name I got really excited, which she took to be because she'd reminded me of what it was called and I didn't have the heart to explain. Besides, I'd never see her again....probably....

7 years later that woman still thinks I can't remember names due to an actual medical condition......and I can't for the life of me remember her name....