[Keith does eventually manage to clear off his face to a point that he must move on, and so he's drifting going down Shiro's normal arm first, moving the towel over the blood, just as slow but steady.]
You're always the one that makes sure the rest of us are taken care of, that we have someone to talk to -- that we get what we need. [He says this quietly and more seriously, a truth he knows and won't hear any argument about. He's always led them in that way, done so for Keith even longer than anything about Voltron came into play.] But you deserve to have someone take care of you too, Shiro, just as much. And I want to.