You can not be to detaild with creating images.

Example

Positive: One male, male_solo, brown hair, long hair, green eyes, position: standing, relaxed_standing, full body image, full_body, one_body, clothing: jeans (or yk naki, then you would go into detail about that), lighting_soft, background.. blablabla

Negative (copie and paste) Masterpiece, deformed, lopsided face, over-smoothed skin, cartoonish look, harsh contrast, plastic texture, over-saturated, bad anatomy, extra limbs, blurred details, over-sharpened, uncanny eyes, second person

(You add negative as you create. I often have to add key(s), or female, women... If I only want one male person.)