When we talk about attractiveness, we think of appearance, which is something we can’t control much. Or we would think of character for a second. But researches have found another hidden factor that is key to determine one’s attractiveness. In one study [1] , participants were asked to watch video clips of women who expressed emotions differently. Then they were asked who they found more attractive. It turned out that if they understood the woman’s emotions better, they found them more attractive. Such finding is quite surprising that usually people would consider cool and mysterious people as more attractive. Instead, the more you express your emotions, and the easier your emotions are to be read, the more attractive you become. This experiment was done by Silke Anders, a professor of Social and Affective Neuroscience at the University of Lübeck in Germany. Apart from asking them who were more attractive, the researchers also measured their brain activity. And there was indeed incr