At what age are men the most fertile? - Quora

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What reduces sperm count? - Quora

How difficult it is for a 33 year old man to marry? - Quora

Is there an evolutionary reason why women's faces seem to age faster than men (eg: to display fertility status)? - Quora

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Why there are many more women than men in Russia? - Quora

At what age is the peak of fertility for humans? - Quora

Do men in their 30s look attractive? - Quora

At what age, on average, is a human most fertile? Is it different for men and women? What can this tell us about the structure of ancient cultures? - Quora