You did a nice touch in the picture.
the blur in the background is right, you did a round mask to keep the blur on the BackGround and the focal in the middle, try to desaturate the corners to make the focal appear more.
About shadow there, looks so simple and just blurred, do a fade look to shadows and then blur it, so it gets a penumbra, umbra and sombra look.
the emission of light in the eyes arent really believeable, do a gradient inside it to make it look a light and then the glow over it.
Study more of Photography to edit images better, Not saying it is a good subject or it is considered ART by anyone.