[He can kind of guess, at least, that it has to do with him-- after all, Lance had a couple of strange moments with him. He can imagine it'd be the same for Keith. And why else would he be acting this way, anyway?]
[In the meantime, though, he just hugs him close, smoothing his hand down his back gently, then tangles it up in his hair, cradling the back of his head as he kisses his temple, keeping him close when he feels that tremble.] `