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Sep10-09, 10:25 PM
TheStatutoryApe's Avatar
P: 1,550
Quote Quote by junglebeast View Post
The male has evolved to find the female form arousing to encourage reproduction. The female form evolved to have wide hips for child bearing and larger breasts (than males) for lactating. In response, males evolved an attraction towards larger breasts and wider hips. This then created a selective pressure for women to have even wider hips and larger breasts.
This, pretty much. Larger fuller breasts are a sign of health and fitness. Women who have aged(younger women are less likely to have fertility issues), suffered disease, ill health, or lack of nutrition will likely have withered breasts. While small breasts may not necessarily be any indication of lacking health or fitness neither do they indicate any greater health or fitness so they would be less likely to be selected for.