[She still can't get over the fact that he's giving her this powerful tool. She looks thoughtfully at it, before feeling a little guilty and looking back at Zoisite]

I'm sorry.. I.. haven't been all that nice to you. [Suspecting you of plotting against her and all. Then she holds out the box.]

Shouldn't you hold onto this? You need to protect yourself from the heartless too.

[This seemed too important to just give it away to somebody else]