Generate a romantic portrait capturing the moment of a marriage proposal. The scene is captured waist up. The man is depicted holding a ring box in his hands, gazing directly into the camera with an expression of hope and anticipation. He is dressed in a darksmart, well-fitted suit and suit trousers. The ring box is elegantly presented, symbolizing the commitment he is about to offer. The scene is set in a beautiful garden, with the natural beauty of the surroundings enhancing the romantic atmosphere. The lighting is soft and warm, casting a gentle glow on the person's face.