>>45871376short answer: becuse you are a healthy normal human male
longer answer: attractiveness is mostly based on two simple factors: 1.comparatively wide hips for potential childbirth (so called "hourglass shape") 2.With 1 fulfilled: Signals of youth (skin face etc) as hints at best health to survive the birth of that potential child and being able to care for it. That pic combines both (dem hips).
A girl like that would induce a boner in pretty every man who sees her, the attached number is irrelevant. Not exactly rocket science. ALso doesn't look like 10 in the first place, that's a breedable teenage body with a too large head, shrink it (without changing anything else) and she suddenly looks adolescent.
