To me this looks like the difference between "real" and "fake" smile (smiling with the eyes - or predator grin vs friendly smile). I have a friend who's a theat

To me this looks like the difference between "real" and "fake" smile (smiling with the eyes - or predator grin vs friendly smile). I have a friend who's a theathre actress - she smiles a lot wider than these models, but the eyes behave similarly. Interesting video, thanks for sharing.