It seems to me that it's possible to overthink this.
I've pretended all my life to be other than who I am, and as I transition, I'm becoming myself. I was born with a female body, but it's women who have always been "other" to me; I've never understood them on any deep level, never identified with them, never felt invested in "women's issues" -- supported, yes, but they were never MY issues.
I don't, in any way, "desire to be the other."