[Most of what he's heard by this point in the conversation has been pleasing. He's glad that Grayson's found something like what he has with Toby, in whatever form it's taken with Vanessa and through the supernatural process of how it sounds like it was allowed to happen.

It feels like the closing of a chapter between them-- one that he doesn't think needs to be voiced. If Grayson's graduated to having more empathy, he may have already changed enough that he's not sure where their similarities lie anymore.]

Well, you've done something that I thought wasn't possible for anyone who's lived for as long as you have: you changed. If it's the way you make it sound, I'm sure it isn't easy, [not when it's something new, and that takes adjusting to so suddenly] but I'm happy for you.

[Genuinely. Even as it makes him reflect on how relatively little he feels like he's changed here, in contrast.]