We don't even know their relationship dynamic.
They've been together 10 years and we don't even know how they interact with each other.
Their eyes still light up when the other is mentioned, and that's as far as we know. I'd prefer it that way.
She once said in an interview that it was something she wanted to keep sacred and pure, so she doesn't talk about it. If you want to keep those types of things, you have to guard them with your life, something like that and I believe her.