It's fine
Terraria Community Forums
Spectre Sam
TerrariaOn3DS
the problem is that IT KEEPS FREAKING HAPPENINGGGG
Techhunter_Talon
It's inevitable that it'll happen. If you wanna be extra safe, just go with calling the person 'they' until you verify whether they're one or the other.
Draymien
Maybe if you get it wrong once they'll correct you, but this might be a dangerous idea so just do what Techhunter above me said lol-