Nonverbal cues are especially likely to carry a lot of weight when they contradict a speaker's words.

cause you are attracted to the features of girls or if you are a boy you are attracted to the features of a boy.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.