May come from the way most media. Time, we see that everyone is beautiful, everyone has the same idea, formats that people with this style is pretty or not pretty.
Most probably from the media. This time, we see that the so-called beautiful people I have formed an idea like that. Who looks like this is pretty or not pretty.
Probably from the most media, when humans that people, called beautiful, everyone will form the idea that people look like this. Is pretty or not beautiful.