When you see someone giving you that look, it generally makes normal people very uncomfortable; because deep down in our hardwired lizard brains, an alarm siren is blaring warning you that this individual is mentally unstable and a potential danger. As a species, we’re very good at picking up subtle (and I suppose not-so-subtle) facial cues that inform us about what’s going on in a subject’s head. We just often can’t consciously describe them.

When you see someone giving you that look, it generally makes normal people very uncomfortable; because deep down in our hardwired lizard brains, an alarm siren is blaring warning you that this individual is mentally unstable and a potential danger. As a species, we’re very good at picking up subtle (and I sup0se not-so-subtle) facial cues that inform us about what’s going on in a subject’s head. We just often can’t consciously describe them.