Symmetry in Beauty/Aesthetics

It has been scientifically proven that humans and animals find symmetric body features beautiful/attractive. It is also believed that preference for symmetry is a trait that evolved through time. In addition to that, researchers believe that having a symmetric body constitutes to having a healthy and strong immune system that is why beauty matters for animals when choosing for a mate. winkwink

*insert my selfie here*

Source:

http://legacy.jyi.org/volumes/volume6/issue6/features/feng.html