[Something eases in his expression-- still overwhelming guilty, of course, but at least maybe looking a little less terrified, a little more settled in the face of Keith's unrelenting assurance.
He hesitates, not wanting to really let go of him, but does, after a moment, reach his hand up to touch at his cheek, extremely carefully since he knows it's still a fresh injury-- not wanting to make it worse, but... needing to acknowledge it. He did that. He'll never do it again, if he can help it. Even if he doesn't apologize-- knows Keith will dismiss that-- the guilt is likely clear in his expression.]