And yes, behavioral tendencies which are biologically based tend to have broad effects. Testosterone encourages men to be aggressive in all things. On average, it must turn out better for them.
But there is a direct effect on getting a recommendation letter on mating success. Women like successful men.
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But how does that relate to getting a recommendation letter? Or are you just saying its a learned behavior that spills over into other interactions?
No one said anything about learned.
And yes, behavioral tendencies which are biologically based tend to have broad effects. Testosterone encourages men to be aggressive in all things. On average, it must turn out better for them.
But there is a direct effect on getting a recommendation letter on mating success. Women like successful men.