Derek与Meredith遇到一个病情恶化很快的病人，来不及做MRI就直接进了手术室。结果证明Derek之前的预料是正确的。

Meredith: You were right. Is he gonna be ok?

Derek: ____1____.

Meredith: ____2____.

Derek: I know we stopped the paralysis from advancing.

Meredith: But, you don't know if the paralysis he already has will be permanent.

Derek: No.

Meredith: You know, you keep taking everything on faith. ____3____?

Derek: You just do. ____4____. The kind where you exchange keys, leave your toothbrush over.

Meredith: Who? Who would call it that?

Derek: Me. I would.

Meredith: ____5____?

Derek: Uh-huh.

Meredith: Show me something. ____6____.
I think so But you don't know that How do you know what's real and what's not You know some people would call this a relationship And I'm supposed to believe you Give me a reason to believe