If you use Facebook - as I do - Facebook in all likelihood has a unique digital file of your face, one that can be as accurate as a fingerprint and that can be used to identify you in a photo of a large crowd.
I have the face of an ageing choirboy and the build of an undernourished featherweight. If you can figure out my success on the screen you're a better man than I.
When we really sit back with a smile on our face is when we run into a situation we can understand, where the facts are ascertainable and clear, and the course of action obvious.