Its definitely raw, and we see Kate at her most vulnerable, Metz tells EW.
Weve not seen her this vulnerable yet.
It tests their relationship, says Metz.

Credit: Ron Batzdorff/NBC
Theres just a lot of shame surrounding it.
Hes definitely feeling the pain and the grief as well.
She was being as protective as possible in terms of getting invested in this pregnancy, he hints.
And Toby was the one who broke her open and said, No, this is exciting.
We have to believe in this, and we have to get psyched about it.
How could you get me excited and now its gone?
Its a very delicate balancing act.
Number Two airs Tuesday at 9 p.m. on NBC.