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“The Sexual Competition Hypothesis is based on the fact that throughout human evolutionary history the female shape has been a reliable indicator of the female's reproductive history and reproductive potential. The same is not true for men, where physical appearance, while relevant, is much less useful in assessing a man's reproductive potential. The visual signal for a female's peak reproductive potential in ancestral environments was the female's nubile shape, which was generally short-lived and declined with the repeated cycles of gestation and lactation.” — Riadh Abed
The Sexual Competition Hypothesis is based on the fact that throughout human evolutionary history the female shape has been a reliable indicator of the female's reproductive history and reproductive potential. The same is not true for men, where physical appearance, while relevant, is much less useful in assessing a man's reproductive potential. The visual signal for a female's peak reproductive potential in ancestral environments was the female's nubile shape, which was generally short-lived and declined with the repeated cycles of gestation and lactation.