I discovered a man at YouTube, he's called Radu Marian. He's a cis man who sings female-similar soprano. He went through the puberty and he isn't a castrato. So he can grow a full beard etc. But since his larynx quit growth, he never got the voice change. I don't know the causes. I found that very interesting. Not enough with that. Watching him singing ease a bit at my voice dysphoria, even thought I can't sing like him.