@Clitheroe: And yet they still call me "it" because I appear neutral despite confirming I am in fact a man. And would prefer not to be spoken about as if I were an insect. I have enough self-hate as it is.

In cases where I can't really tell, I just play it safe and use "they"...

...Which is grammatically correct, and even if it somehow isn't, it soon WILL be, what with everyone using it and the fact that language changes over time.