Yes that is correct. The reason we are would prefer attractive people is because these people are healthy.
A sign of a healthy female, who is at the correct stage in her life to be at her optimum for bearing a child, is a curvaceous body.
A sign of a good potential "hunter-gatherer" father figure is someone well built and muscular.
Also it is in our subconcious to attribute percieved sucess as physcial beauty. It has been proven that a "rich" man looks, physically, far more attractive than a not-so rich man, to the same group of women, despite the fact that it was the same man!
At least thats how it was. But now a days I am firmly of the belief that it is social issues that create our ideal of what is considered attractive, via the media, etc, rather than our in-built "instict".
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