[Well look, Rei knows men fantasize about her. This is not a quality about herself that's lost on her. She exploits men at times, because of her looks even. But she also trusts Merlin not to be gross.]

No? I guess...no I guess it probably would be frowned on since love and romance are secondary in a relationship to politics and exchanges of wealth. So men loving men, and women with women...

[But even then, it was commonplace in Rome and Greece...]

Anyway, it's not really important, I guess.