Not really the silhouette more so the fitness and finesse of their charisma to charm. But even a bad over volume silhouette is sexy its also about familiarity and similar traits to your DNA as well.
Charisma in charm does not factor into the physical aspect. You can get a general idea of fitness from a silhouette. And as I said for the physical side of attraction, familiarity is social, not physical. That last part is pheromones, and that is going into gray area between psychological and physical
