+(I guess I can't evade responsibility for the fact that I am, in fact, blogging about this.)
+
+A clue: when I'm masturbating, and imagining all the forms I would take if the magical transformation technology were real (the frame story can vary, but the basic idea is always the same), I don't think I'm very _good_ at first-person visualization? The _content_ of the fantasy is about _me_ being a woman (I mean, having a woman's body), but the associated mental imagery mostly isn't the first-person perspective I would actually experience if the fantasy were real; I think I'm mostly imagining a specific woman (which one, varies a lot) as from the outside, admiring her face, and her voice, and her breasts, but somehow wanting the soul behind those eyes to be _me_. Wanting _my_ body to be shaped like _that_, to be in control of that avatar of beauty—not even to _do_ anything overtly "sexy" in particular, but just to exist like that.
+
+If the magical transformation technology were real, I would want a full-length mirror. (And in the real world, I would probably crossdress a _lot_ more often, if I could pass to myself in the mirror. My face ruins it and makeup doesn't help.)
+
+What's going on here? _Speaking_ of mirrors, the sexologist [James Cantor speculates](https://youtu.be/q3Ub65CwiRI?t=281): mirror neurons. Way, way back in the 1980s, Italian neuroscientists wired up the brains of macaque monkeys with electrodes, and noticed that some of the _same_ brain regions would light up when the monkey grabbed a rasin, and when the monkey watched the _researcher_ eat a rasin. These "mirror neurons" are speculated to form the basis of empathy.
+
+So, the _phrase_ "mirror neurons" is not and _cannot_ be an answer. Real understanding is about detailed predictive models, not [what words to repeat back in school](https://www.lesswrong.com/posts/NMoLJuDJEms7Ku9XS/guessing-the-teacher-s-password). I can't expect to understand the real answer without spending multiple years studying neuroscience, and if I did, I couldn't expect to transmit the model to you in one blog post. (That would be _several_ blog posts.)
+
+Still, the macaque–rasin anecdote is at least _suggestive_ of hypotheses in the _general area_ of, "The brain uses _shared_ representations for 'self' and others, in a way such that it's possible for the part of the brain that computes sexual attraction to 'get confused' about the self–other distinction in a way that manifests as sexual desire to _be_ the object of attraction." Or _something like that_.
+
+More clues come in the form of the following trio of observations.
+
+One, I'm not particularly repulsed by my own body in real life. ("Vague disappointment, sometimes" isn't the same thing as "repulsion".)
+
+Two, my fantasies about having a female body aren't particularly, um, discriminating? On the contrary, if I had magical BodyApp tech, I would want to experiment with being different ages or races or body types of women.
+
+Three, the thought being transformed into a _different_ male body, other than my own, _is_ repulsive. Perhaps less so in the sense that thinking about it is horrifying, and more that I _can't_ think about it—my imagination "bounces off" the idea before any [Body Horror](https://tvtropes.org/pmwiki/pmwiki.php/Main/BodyHorror) emotions can kick in.
+
+These details seem hard to square with gender identity theories: why does my own male body, and _only_ my own male body, seem "okay"? Whereas this is exactly what you would expect from the "male sexuality getting confused about a self–other distinction" story: I want to be transformed into all different sorts of women for the same reason ordinary straight guys [want to fuck all different sorts of women](https://link.springer.com/article/10.1007/s10508-020-01730-x), and I can't even entertain the idea of being transformed into other men for the same reason ordinary straight guys can't even entertain the idea of fucking other men.
+
+An interesting prediction of this story is that if the nature of the "confusion", this—["erotic target location error"](/papers/lawrence-etle_an_underappreciated.pdf)?—is agnostic to the object of sexual attraction, then you should see the same pattern in men with unusual sexual interests. ("Men" because I think we legitimately want to be [shy about generalizing across sexes](/papers/bailey-what_is_sexual_orientation_and_do_women_have_one.pdf) for sex differences in the parts of the mind that are specifically about mating.)
+
+And this is actually what we see. Most men are attracted to women, but some fraction of them get off on the idea of [_being_ or _becoming_](https://pashasoffice.blogspot.com/2020/02/is-autogynephilia-actually.html) women—autogynephilia. So if some men are attracted to, say, amputees, we would expect some fraction of _them_ to [get off on the idea of _being_ amputees](/papers/lawrence-clinical_and_theoretical_paralells.pdf)—[_apotemnophilia_](https://en.wikipedia.org/wiki/Body_integrity_dysphoria#History). Some men are, unfortunately, pedophiles, and [some fraction of them get off on the idea of being children](/papers/hsu-bailey-autopedophilia.pdf). Some men are interested in anthropomorphic animals, and [_being_ anthropomorphic animals](https://www.gwern.net/docs/psychology/2019-hsu.pdf)—["furries"](https://en.wikipedia.org/wiki/Furry_fandom).
+
+Recently I had an occasion [(don't ask)](https://www.greaterwrong.com/posts/uwBKaeQzsvkcErmBm/ialdabaoth-is-banned/comment/PqZ2NFfj2b2dJoZ9N) to look up if there was a word for having a statue fetish. Turns out it's called _agalmatophilia_, [defined by _Wikipedia_ as](https://en.wikipedia.org/wiki/Agalmatophilia) "sexual attraction to a statue, doll, mannequin or other similar figurative object", which "may include a desire for actual sexual contact with the object, a fantasy of having sexual (or non-sexual) encounters with an animate or inanimate instance of the preferred object, the act of watching encounters between such objects, or"—_wait for it_ ... "sexual pleasure gained from thoughts of being transformed or transforming another into the preferred object." I don't think the _Wikipedia_ editor who wrote that last phrase was being a shill for the general erotic-target-location-error hypothesis because it has political implications; I think "among guys who are sexually interested in _X_, some fraction of them want to be _X_" is just _something you notice_ when you honestly look at the world of guys who are sexually interested in arbitrary _X_.
+
+And, and—I've never told anyone this and have barely thought about it in years, but while I'm blogging about all this anyway—I have a few _vague_ memories from _early_ teenagerhood of having transformation fantasies about things other than women.. Like wondering (while masturbating) what it would like to be a dog, or a horse, or a marble statue of a woman. Anyway, I lost interest in those before too long, but I think this vague trace-of-a-memory is evidence for me the thing going on with me being an underlying erotic-target-location-error-like predisposition rather than an underlying intersex condition.
+
+I don't _know_ the details of what this "erotic target location error" thing is supposed to _be_, exactly—and would expect my beliefs to change a lot if _anyone_ knew the details and could explain them to me—but I think _some story in this general vicinity_ has to be the real explanation of what's going on with me. How _else_ do you make sense of an otherwise apparently normal biological male (whose physical and psychological traits seem to be basically in the male normal range, even if he's [one of those sensitive bookish males](/2020/Sep/link-wells-for-boys/) rather than being "macho") having the _conjunction_ of the beautiful pure sacred self-identity thing _and_, specifically, erotic female-transformation fantasies of the kind I've described?
+
+Am I supposed to claim to be a lesbian trapped inside a man's body? That I _am_ neurologically female in some real sense, and that's the true cause of my beautiful pure sacred self-identity thing?
+
+_Maybe_ that could be spun to seem superficially plausible to those who know me casually, but I don't know how to square that account with the _details_ of my inner life (including the details that I wouldn't blog about if I didn't have to). I think if you used magical transformation technology to put an actual lesbian in a copy of my body, I can imagine her/him having [Body Horror](https://tvtropes.org/pmwiki/pmwiki.php/Main/BodyHorror) at her/his alien new form and wish to be restored to her/his original body on _that_ account, and maybe her/his identification with her/his former sex ("gender") would look _sort of_ like my beautiful pure sacred self-identity thing (if you squint).
+
+But I _don't_ think she/he would spontaneously invent obsessively jacking off to fantasies of being able to magically transform into various _different_ female bodies ... unless she was _already_ into that stuff before being magically transformed into my twin. But ... is that even a thing among many (or any) lesbians? To be clear, there is a _lot_ of porn in this genre! But it seems to entirely be created for and consumed by ... men? [Adult human males?](/2018/Apr/reply-to-the-unit-of-caring-on-adult-human-females/)
+
+I just don't see any _reason_ to doubt the obvious explanation that the root cause of my gender problems is specifically a bug in _male_ sexuality. I didn't have the fancy vocabulary for it then, but the basic idea seemed pretty obvious in 2005, and seems equally obvious now.
+
+(A "bug" with respect to the design criteria of evolution, not with respect to the human morality that affirms that I _like_ being this way. Some, fearing stigma, would prefer to tone-police "bug" down to "variation", but people who don't [understand the naturalistic fallacy](https://www.lesswrong.com/posts/YhNGY6ypoNbLJvDBu/rebelling-within-nature) aren't going to understand anything _else_ I'm saying, and I want to emphasize that the mirror-neurons-or-whatever and ordinary male sexuality weren't functionally optimized to collide like this.)
+
+If I were to _actually_ become female, it _wouldn't_ seem like the scintillating apotheosis of sexual desire and the most important thing in the world. It would just feel normal, in the way that (I can only imagine) actual women feel their own existence is normal.
+
+No doubt many women appreciate their own bodies, but a woman's positive body self-image experience of, "I feel attractive today", is going to be _very different_ from the autogynephile-with-BodyApp's experience of, "Oh my God, I have _breasts_ and a _vagina_ that I can look at and touch _without needing anyone's permission_; this is _the scintillating apotheosis of sexual desire and the most important thing in the world._"
+
+In this way, autogynephilia is _intrinsically self-undermining_ in a way that fantasies of flying to the moon are not. This doesn't in any way lessen the desire or make it go away—any more than [the guy who gets turned on by entropy decreasing a closed system](https://qwantz.com/index.php?comic=1049) would have his libido suddenly and permanently vanish upon learning about the second law of thermodynamics. But it does, I suspect, change the way you think of it: it makes a difference whether you interpret the desire as a confused anomaly in male sexuality—the scintillating but ultimately untrue thought—or _take it literally_.
+
+But the reasons not to take it literally might not be obvious to _everyone_. The detailed exposition above about what it would even mean to change sex is the result of a _lot_ of thinking influenced by everything I've read and learned—and in particular, the reductionist methodology I learned from Yudkowsky, and in even more particular, the very specific warning in "Changing Emotions" (and its predecessor in the Extropians mailing-list archives) that changing sex is a _hard problem_.
+
+We can imagine that a male who was _like_ me in having this erotic-target-location-erroneous sexuality and associated beautiful pure sacred self-identity feelings, but who [read different books in a different order](/2020/Nov/the-feeling-is-mutual/), might come to very different conclusions about himself.