Increase the resolution. Even when that shouldn't help, it does, if that makes sense.
In the negative prompt, describe types of images that aren't photos. Anime, render, cartoon, etc.
In the positive prompt, describe a detail that you would only find in a highly detailed image. Some people just write "highly detailed," but that does jack shit because no one's out there tagging photos as "highly detailed." Or they'll say "8k resolution," which works, but it's too limiting and it'll throw off the style too much. In this case, I included "sweaty skin." A photo that captures the texture of skin is going to be highly detailed, and those photos will become the AI's source material. This has the side effect of making the composition rather tightly framed, but that worked here.
I feel you, but maybe next step is adding those imperfections. Like i said, i like it. Its just a little jarring looking up the body only to see a much youger face put on it
Prompters need to add (21 years old:1.3) in the positive prompt and “child, childlike” in the negative prompt. They also need to judge better whether the content the AI produces is too young looking.
If you make something and think “is that too young?” Just assume it is and regenerate with the above tips. 21 is a good starting point because AI doesn’t seem to be completely accurate with ages yet.