...it's a sense that I will never fit in to either of the binary genders in a way that allows me to feel I am expressing my true self, and at the same time, be affirmed and accepted as that gender.
Gender Inferiority
Passing lane ahead!
A person successfully and convincingly presenting themselves as a cisgender member of a gender they were not assigned at birth is called "passing". Passing is a complicated and controversial topic, partly because of the issues that it raises for both those who can and cannot pass. It's also a philosophical issue, a safety issue, and a social issue (and a variety of other categories).
Are you mental?
Is gender dysphoria a mental disorder?
The ‘D’ word
It's a four-letter-word that happens to have nine letters in it.
Gender Expression
Just like sex and gender aren't the same thing, neither are gender and gender expression.
Gender World 