Generate your photo like this one. A photo-realistic image of a thoughtful man sitting against a dark background. He is wearing a fitted white button-up shirt with the sleeves rolled up, revealing his muscular arms. The man is also wearing a black cap backwards, adding a casual touch to his appearance. His posture is contemplative, with his chin resting lightly on his fist as he looks into the distance. The lighting is subtle, highlighting his facial features and the texture of his shirt. The mood is introspective and contemplative.
