He can feel that she's working her way back, and pulling from Jack, and well, that's a very good thing because as they slowly work back towards consciousness he's growing aware that his head is starting to throb. Well, probably has been for a while, but now he can feel it.
He squeezes both of their hands. "That's it, any minute now you'll open your eyes, and I'm here for you. We're here for you."