"Impact Protection Potential of Mammalian Hair: Testing the Pugilism Hypothesis for the Evolution of Human Facial Hair"
https://academic.oup.com/iob/article/2/1/obaa005/5799080
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+autoponyphilia: http://pone.tf/
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+Evidence of meta-attraction from "We Have Better Graphs" (2007)—
+OTOH there is no sum I would accept to become attracted to men, unless you _also_ made me a woman. (I should add that in that case I would have to meet a man who was a straight woman who made the reciprocal bargain.) So do I then have an erotic identity but _not_ a gender identity? Absurd!—but so obviously right?