

All the possible signals. Really. I’ll give you two of my own experience (or inexperience)
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Teenagers in a school trip. She tells me, do you want to come with me, I forgot my key in the room. “Sure” I say. I proceed to walk with her and wait for her to go to her room while I held the elevator.
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Me in a quite alternative bar. She “why don’t you stay longer, I can take you home after”. Me “I have early class tomorrow”.
Both were drop dead gorgeous (the first one was fairly wealthy)
Those are just two examples. My life is full of them. Apparently I’m more attractive than smart.
Of course, there have been some super direct where I clued in but it was impossible not to.
Look. As a gender fluid it dawned on me that one can be trans and still gender fluid.
At some point recently, when feeling very fem. I wondered if it would be better for me to transition and be gwnderfluid from the fem side instead of from the masc side.
I think what you describe has to do with hanging too tight to the gender binary. Once you realize gender isn’t binary, you realize it’s natural and normal feeling how you are feeling at any particular point. This is, you don’t need to chose a static gender.
Plus, présentation doesn’t need to match societal expectations for the gender you feel. You can chose a presentation for the “occasion” or as a matter of style.
You can wear a skirt when feeling masc or a tuxedo when feeling fem. I am now so used to mixing and matching that I wear what I think looks good regardless of which side of the store it came.