And that's why we can tell the emotion of somebody else -- because their muscles are acting, subconsciously, except that we've evolved to make the facial muscles really rich with emotion.
Si de aceea putem sa spunem care-i sunt emotiile unei persoane, pentru ca muschii actioneaza fara sa-si dea seama, ba mai mult, am evoluat astfel incat muschii fetei sunt acum plini de emotii.