for the girl part, I know a transguy who have 2 sons, he also said his blessed it wasnt girls.
Honestly its not a big deal for me, maybe its cause im not so super macho, or because of my way of thinking about it or childhood I dont know?.
I think a girl would get the life I never got, way better so I wouldnt find it strange for her to grow up, as a kid I was rather no gender, I dont remember whatever I was identifying male or female, I know I had signs for both, and I was considered as a tomboy, but I first knew I was trans when I was in my teens, I wont say I had a bad childhood I just saying I didnt get it myself and nobody got it, I belive if I got a girl and she where cis she would not have these problem and even if she was trans I would get it and I would be happy on that way. its a good thing being happy for other like that I think.
beside all this comparing thought, then I belive even if you dont understand you can still love, and when you live with someone everyday your learn to get things.
I dont understand my mother, but since I have lived with her from I was born I learned to understand her anyway, maybe not 100% but I dont think any parrents or kid are able to do so.
think of homer simpsons and lisa, dosent understand each other at all but still love each other.
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I do know what you mean, I somehow feel the same way, I didnt really feel like having kids and I want to get hysterectomy so badly and be 100% castrated. one guy I know is about to get pregnant again, and I had this thought how unfair it is, I am not even 20 and if I should have kids it should be NOW or NEVER, and no, I cant really adopt, at least not if I want to get my gender marked changes unless I move. its very complicated and I dont know any transguys who got kids that way even when I know a couple who talked about it.
usunally I speak about that kids being annoying, being honest I dont know if I would want kids, its alittle like marrige,
I usunally I told people I didnt want to get marrige but as we got gaymarrige I thought.." wow.. now I can get marrige do I still not want it?" out of sudden it wasnt just. "you can never get marrige unless your bla bla bla" out of sudden it was posible to get marrige no matter to which gender or what gendermarked I got which sorta made me think.
I guess I also been growing up thinking I didnt want kids like I am not all that crazy for kids but when I was younger I could see myself being a dad. the problem was if I mention it everyone would say "oh I also want to be a mommy" or "yeah it could be so nice to be a wife" I would be horrible reminded that it wasnt posible unless I did it that way as I didn't. I didnt want it that way, and when my own way isnt an option its better to say I dont want it at all and when you think so for a long time that "its not an option why bother" then out of sudden you get to a point where you get used to it, and when it start to hit you you think about it again if thats really how things are or if you just said so to make a easy answer? at least thats how I feel.
maybe your in somehow the same situation.
as mention I am not all that crazy for kids or marrige, But regular people get to consider it alittler more, being gay or trans, its not that easy, I bet in a way we get used to not really thinking about it in the same ways. Alot of cisgenders can just say they might want kids, for transpeople its often either you want them or you dont, because its pretty complicate to get them so you need to consider it way more.