[It's an exceedingly rare thing to startle a bark of a laugh out of the big, normally calm alien—and yet that's exactly what Kate manages here, followed by a warm smile from her friend.] Mh. I wish more humans thought as you did. Perhaps then I would not have to spend my life with this sense of a rift between me and them. [Because to literally everyone else before he was brought here, being strange was a point against him, a constant reminder that they saw him as a dangerous monster.

Kate, however, has made it so that it can mean something else for the two of them; they keep it like a quirk, like something unique and special. Just like she is to him, in fact:] But they are not you. No one can be. And I just want you to know that I am so very glad of that, my friend.