When can we make lalaqotes?

[Driavna]

I kind of wish they'd explore interspecies relationships in-game a bit more then they do.

The only thing that's really known is that children born being from mixed couples is a big taboo, but marriage between them is evidently not considered an issue. They must have some secret form of birth control in play for there to not be more half-breeds then there are, considering how much some of Eorzea's inhabitants get around.

Outside Elezen and Hyurs all other races are not compatible, even if they try nothing happens.