He grabs her hands with his to collect them in between them; he takes a breath to encourage her to mirror his actions. After about five seconds, he releases it. Then he repeats the process once more. In retrospect, Jack has been more akin to a son for longer than he's been God. They can take their time wrapping their heads about things. The important thing right now is Ruby getting control of her new state before she makes it worse.

His thumb strokes the back of her hand, encouraging the calm that starts to take hold of her when she focuses on his question. She might believe that her answer gives him no information at all, but it clarifies two things. First, she's not in harm's way. One thing his subconsciousness grasps onto is that normally demons that come back to life usually succumb to the wounds their hosts suffered at any point of time. Jack must have fixed that. The second thing requires him to pause to remember the name of the girl Ruby's body used to belong to. It comes easily now.

"Chelsea no longer resides in you. If I'm correct in my assumption, everything belongs to you now. These are all your feelings and reactions." His hands squeeze hers gently between his.