We give our facial gestures too little credit in communication. Imagine having to communicate with a bag over one's head all day, even with peep holes. Painting are our proof our our species' ability to sustain coexisting multiple realities. Some criticize that art is the rich man's fancy. What they don't realize is that art is all around them.
Pornography is sex too literally represented for certain folks' morality.
Sex however, in abstract visual form can be unabashly depicted. Aesthetic is constantly remoulded by the brainwashing effect of advertising. After physiological perception all our interpretations enter the visualization process of an object to formulate the projection we call 'art'. Good art gives one a sense of self-containment and wholeness through its compelling integrated visual unity. Art is the symbolic expression of man's relationship with the Universe.