Beauty.... still analyzing

When u see a person the first thing that u notice is probably how they look. A tall, handsome and charismatic man or a beautiful, slim girl will probably stand out in a crowd . Why is it that the eye looks for beauty? i once saw a show on discovery where the scientist explains that the mind is looking for symmetry and a symmetric face is what is attractive. The eye is able to distinguish even the smallest deviation from symmetry and thats why some people are more appleaing than others. but the body just reflects the state of your mind. If the mindis happy .. your face is glowing and you have a spring in your step.when you are sad the body language shows and your state of mind is not permanent it keeps changeing.......So must we pay as much attention to outter beauty? Most of us believe Beauty is just skin deep.. but the inner beauty is what really matters. but then again.. what is the inner beauty? That is also a state of mind.... what you are at this moment you will never be at a different instant of time.. and values and principles keep changing with time. ... My father used to say "If you are beautiful/Handsome, half the battle is won...." may be its rite.. there is even an old Sanskrit saying "Sarve Gunaha kanakam aashrayanti" meaning - All good qualities are attached to gold............ But if beauty is such a ephemeral thing then y are we looking fo it?? ..........................