[His expression softens even as, inwardly, his reaction is to protest-- no, no, he doesn't deserve it. But then, that's always been the way Keith is, and he's not about to reject that, either. Keith means too much to him.]
Keith... [He shifts his hand back up again, to cup the back of his head and lean in, pressing his forehead to his once more.] I'm yours, too. I'm-- I'm yours.
[Whatever he is, whoever he is, he's always going to be yours. If you really want him, that's where he belongs.]