Well I'm a straight man so let's see here..
Normal women have everything I want, pussy, tits, a pretty face but I also have to put up with normal womans gay stuff like buying excessive amounts of clothes or watching shitty tv shows.
That makes normal women mathematically 50% gay
Now how about another man?
Having a homosexual relationship with another man comes with a benefit of having a bro in your life (Bro stuff isn't gay, don't let anybody tell you that) but in the end you are still fucking him.
So having a gay relationship is mathematically 50% gay.
Now how about Tomboys?
They come with the benefits of women while being a bro while still being a woman. You don't have to put up with excessive clothes and shitty tv shows and she can be one of the boys.
That makes Tomboys mathematically 0% gay.
Now let's see our 4th option, Femboys.
Essentially you're putting up with the gay stuff of woman while also fucking a man.
That's why femboys are 100% gay.
That's all. I'm not homophobic or something I'm just that straight.