Oh, I'm sure it has, but new discussion is always good - no need to take it down.
So, what makes you want to be a boy? Perhaps not because you want to be one particularly, but because you believe that you are one. Same for me, except to be a girl of course. It is not wanting to be a girl, it is knowing that I am at heart, mind and soul a female. It's just that the body came out wrong, and people being people believe what they see, not what who they see believes and knows.
So, do I want to wear girly frilly clothes? Yes, but I know genetic females and F-2-Ms that hate it. Do I like makeup and hair? Yes, but again I know GGs and F-2-Ms that don't. Do I value the idea of being pregnant and giving birth rather that the ability to wham-bang-not even thank you maam and leave? Absolutely. It will be my most painful part of lost womanhood that that my age precludes that even if I was a GG.
What makes me want to be a girl? Because I am a girl.
What should make you want to be a boy? Because, perhaps you are one.
And we should always want to be what we are, not what we look like.
Susan Kay