[Conversely, as nervous as Willow is about doing what he needs her to do, she's relieved to see him finally showing some of the fragility she's sure he's feeling. This isn't just a life-altering issue, it's a destiny-altering one, and she's familiar enough with those from supporting Buffy for the past seven years to understand the difference it makes. He has to be feeling pretty vulnerable and isolated right now. He just has to be.

But Willow knows him well enough at this point to understand that he wouldn't want to display it. That he's letting her see even a glimpse here is encouraging as an indication that he must be growing to trust her. Willow has such a short selection of friends here that it means a lot to her to have one of the few demonstrate that, even if they were thrown together by circumstance and not by choice. It means that she feels obligated to live up to his request, no matter how intimidating she finds it.]

I've changed destinies before, [she admits after a moment, reluctant to reveal the depth of her power but serious and humble when she does it.] The Slayer that I mentioned? I Called to power all of the girls that could be the Slayer but weren't. The Potentials. I didn't know if I could do it but I-- I did.

If you can show me what to do... [She takes a deep breath, recognizing this as the moment of commitment.] I'll need some time to get ready, make sure I can connect with the magics here like I need to. But I'll try.

You-- You shouldn't have to live like that. [And it's really that simple to her.]