[He pauses for a few seconds before answering, very obviously giving it some thought.]

It's not being completely better so much as it is being better than you were before. You realize that you only had nightmares twice this week, or that you've been sleeping for five hours a night instead of three; that something that used to set you off doesn't anymore.

[He pauses, and his voice goes a little flat.]

Or that you can talk about your own sanity without feeling like you're standing at the edge of a bottomless pit.

[It's too close to him, in that it's pretty much sitting in his house petting his cat, but it should resonate with Locus. Hopefully.]