>Because I was already attached to girls growing up, idealizing them, idealizing female characters in fiction and so on.
Why didn't you lead with that? It just sounds more like you had some form of innate gender mismatch and the porn and fantasies were just symptomatic, rather than the cause
While lots of AGPs claim that porn or longterm fixation or w/e turned them trans, it's more likely that they were never normal to begin with