As a paraphilia , breast fetishism also known as mastofact , breast partialism , or mazophilia  is a highly atypical sexual interest consisting of an exclusive focus on female breasts , which is a type of partialism. Scientists hypothesize that non-paraphilic sexual attraction to breasts is the result of their function as a secondary sex characteristic. The breasts play roles in both sexual pleasure and reproduction. Some authors have discussed the modern widespread fascination with breasts among heterosexual males in Western societies, especially in the United States, within the context of sexual fetishism. Scientists hypothesize that non- paraphilic sexual attraction to breasts is the result of their function as a secondary sex characteristic. Zoologist and ethologist Desmond Morris theorizes that cleavage is a sexual signal that imitates the image of the cleft between the buttocks , which according to Morris in The Naked Ape is also unique to humans, other primates as a rule having much flatter buttocks.
The Most Attractive Breast Size Has Finally Been Revealed
From KDS :. Comments from KDS :. After marriage they become shit. So they really can grow that large after all….
The breast is one of two prominences located on the upper ventral region of the torso of primates. In females, it serves as the mammary gland , which produces and secretes milk to feed infants. At puberty , estrogens , in conjunction with growth hormone , cause breast development in female humans and to a much lesser extent in other primates. Breast development in other primate females generally only occurs with pregnancy.