[Hugs him tight so that Keith's tucked up against him, nuzzling into his hair and then kissing the top of his head, lingering.]
I... Thank you, Keith. [It's overwhelming in so many ways to know that this is something Keith can say even when he's like this. That he could have loved him for this long...] For loving me. I'm... I'm so lucky I know you, sweetheart.
You... [deserve better than having to wait so long for him to realize, too.] I'm going to spend the rest of my life making you as happy as you make me.