Oh shoot, that reminds me. We were at a store in line and my wife got out her card to pay for our goods. She had taken to wearing sunglasses everywhere, not just to hide it, but light bothered her eye. She needed reading glasses and took the dark ones off. Well, the clerk took one look and noticed me not paying attention. She asked my wife, after a few angry glances at me, if there was anything my wife wanted to say, and gave Mrs. Oldster a couple chances. When she realized what was going on, my wife laughed and explained what happened.
I'm still not sure if the clerk actually believe her.