Original sentence: A higher degree of symmetry may indicate a better coping system for environmental influences.Facial symmetry is a factor in assessing the health, physical attractiveness, and general beauty of a person or animal.Fluctuating asymmetry (random differences between two sides, as opposed to the deliberate natural asymmetry in some animals) develops throughout the lifespan of the individual and is a sign of the phenotype being subjected to some levels of stress.While the visible signs of this may not be particularly apparent, they may have at least a subconscious effect on peoples perception of others' beauty
Edited sentence: A higher degree of symmetry indicates a better coping system for environmental factors.Echoism is the similarity of one or more facial features, particularly the eyes, eyebrows, nose and mouth.Facial symmetry is a determinant of the health, physical attractiveness and beauty of a person or animal.Facial symmetry is seen as a universal determinant of health and therefore of beauty.Fluctuating asymmetry (random differences between two sides, as opposed to the deliberate natural asymmetry in some animals) develop throughout the lifespan of the individual and is a sign of the phenotype being subjected to some levels of stress.Harmonism is a similarity in facial proportions, usually involving the size of features and the distance between them.It is also theorised as a factor in interpersonal attraction.People of either sex who are considered "attractive" in various cultures have been found to have facial symmetry based on the golden ratio of 1:1.618.Plastic surgeon Stephen Marquardt developed an ideal beauty mask marked with various outlines of facial features based on the golden ratio.Prima copulism is an attraction to another person based on them having similar features to someone with whom they formed a strong interpersonal bond with at an early age, usually a mother or father.She theorises that there are three aspects of facial symmetry which attract one person to another: echoism, harmonism and prima copulism.Suzi Malin, a British portrait painter, wrote Love at First Sight (ISBN 075660401X) to examine the relationships of 50 celebrity couples.The ability to cope with these pressures is partly reflected in the levels of symmetry.The faces that are judged as most attractive are found to fit the mask.While the visible signs of this may not be particularly apparent, it is thought that they have at least a subconscious effect on peoples perception of their beauty