It takes her a second to catch on, just humming along and focusing on her hand running through his hair. When Carol glances down and meets his gaze, her melody stumbles and her fingers pause as she seems, yes, to be getting something from that look.

Maybe she's not grasping his exact meaning, maybe she doesn't need to in order to know the part that matters. Her smile softens and she leans forward, the tip of her nose bumping his temple. Not quite a nuzzle, but affectionate and meaningful in its own way.

It strikes her that she's being a bit careful just now, not something she'd have thought about herself anymore. It's been a while since she had something to lose by being too decisive.