An ultra-realistic portrait of a man in his 40s. He has brown hair with a few wh

An ultra-realistic portrait of a man in his 40s. He has brown hair with a few white strands, a neatly trimmed beard and green eyes that reflect determination and apprehension. His face is well defined and his expression suggests tension and vigilance. The portrait should be from the waist up. He is wearing a dark blue casual shirt. The man is standing in a living room as if facing the door. The background shows the interior of the house with furniture, potted plants, a hallway, stairs, but blurred so as not to distract from the main subject. The lighting should be soft and natural, with morning light coming in from outside, creating subtle shadows that accentuate the man's tense expression. The light should highlight the green eyes and the texture of the skin, emphasizing the seriousness of the situation. The image should convey a sense of tension and determination, with a touch of urgency. Suggest a neutral color palette, such as greys and blues, that complements the atmosphere of the morning. The photo should be of high quality, with 8k rendering and extreme detail, capturing the emotional essence of the moment.