If you were to pick one demographic of women to make you hard forever, it would be white Brazilians

>South American curves - hips/waist, thicc thighs, fat round ass. Curves that are unique to SA and not even in North America or Europe
>Pretty white European face that is probably Italian/German
>The unique fitness culture (far surpassing fitness in US or EU) enhances the body to new levels on top of the natural curves

The blacks and mutts in Brazil ruin it for the otherwise ungodly white Brazilian girls, who are the most attractive on earth I would argue