Rose had said that she didn't want The Doctor far, even if she knew he wasn't going anywhere she liked knowing that he was close by while she slept. In sleep, she brought the covers more close to her face, waking up slowly.
Caitlyn opens her eyes ater a few moments a small smile on her lips. She stayed where she was knowing that Jack was still sleeping. She knew she promised she'd worry about things later, and now while she had some time to herself was a good idea. She didn't know when she'd get to experience time to herself again.