"refine the uploaded image to render an avatar with lifelike features, closely resembling the subject. keep the hair distinctly blonde, enhancing its texture for a fuller, natural sheen. eyes should be a nuanced shade of blue, bright and clear, maintaining the original's expression. skin is to be rendered flawless, preserving real skin tones and textures. the physique is athletic, subtly defined, clothed in a dark, fitted t-shirt that complements the natural build. the avatar should reflect an ideal balance of the subject's unique facial features and an improved, approachable attractiveness. finalize with a confident, yet unassuming posture that conveys a relatable, everyday handsomeness."