You look around yourself and the world shines in its beauty.
If we use some machine against its instructions of usage, it makes a kraah like sound. It is the same with humans.
When we have reached the natural correct way to live, our senses sing. That's our guide to better functioning that our natural tendency to enjoy beauty and things that are according to feelings and the deepest understanding guide us toward.
Life really is a great panorama of natural music to some: that's why we still love music.
Seeing the world answer centeredly, i.e. the human nature and health centeredly, makes the world look beautiful, shiningly, effortlessly, enjoyably, efficiently - that is the beauty of nearly full functioning.
Full functioning is something even better.