In theory, as per evolutionary psychology, the male libido is primarily based around "if I jizz inside that and then immediately die of a heart attack, I can still win" and the female libido is primarily based around "yes, this will help set up a good situation for the next nine months, at least".
In practice, of course, different people are all different and have wildly different libidos - not only in terms of non-hetero sexualities or weird fetishes, but in terms of drives and behaviours and priorities as well. A lot more of your sexuality lives up top in the rewriteable wrinkly bits than down in the hardcoded brainstem.
I do think one can utilize stereotypes, though. I certainly wouldn't protest if a female friend were to chalk up something I did or said to either my biological or my learned maleness.
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