Personally (my opinion only), when I was pre-everything, I was still F. Even though I was presenting as male, everyone else in the world read me as F. That, to me, is not really living as male. Living as male means your ID is male. If you are pre-everything and your ID says MALE, yet you are read as F, then by all means correct people. But if you go around public spaces and into businesses, you can declare you are male, but if your ID says F, it will out you, and thus, you are not recognized as male in society. Period. Sux but saying you're male and actually being legally male are two different things.
That in-between stage sux big time. Been there, done that, hated it. And if the world was only going to recognize me as F, because I looked F, and had ID that said I was F, then me claiming to be male wasn't going to change anyone's mind at all.
We can agree to disagree. I see no problem with the OP taking a free drink because his ID says F.
Jay