In addition to the baby they're expecting, how many kids should Ethan and Emily have total?

"Movotti;c-16398268" wrote:
12.
Madness and mayhem can be fun.

"Chazzzy;c-16397690" wrote:
Have as many as it takes to birth one boy and one girl.

Why?
I've never understood that concept... unless the plan is to.... well, have a Targaryan plot.

I think that the basic idea behind couples ideally having a boy and a girl is so that the population will balance out, 50% male, 50% female.