[There's just the barest tremble that runs through Keith too, yet at the same time when he hears that question he doesn't voice, it burns away any of his own hesitation. There's only Shiro - that's all there's been and ever will be. Nothing else matters. He murmurs, a little rough with feelings, but sure in a way he can only hope will set him at ease too.]
You remember, don't you? I'm - [His hand at the back of Shiro's hand brushes there lightly one last time when in another slow motion it moves back down, until it wraps around him, steady to mask where he shakes too.] I'm sorry that I could ever forget it the way I did.
[He turns his head into where he's holding him, close enough that his breath must ghost the skin of his temple as he speaks, suddenly overwhelmed with the need to say it.]