[The way he's tucked under her chin is helpful because he won't see when she closes her eyes and tears slip down her cheeks. He might hear it in the shaky sound she makes when she takes a breath. It was a sudden, overwhelming kind of thing.
When Reid return she felt...half remembered. She wasn't sure where she stood with the other woman and the time he'd gained. She felt like her place in his life had changed. And maybe it hadn't. She's sure it was a confusing time for him. He had a lot to process. He also may just not have known how to communicate what he felt or how important it was to her. She didn't realize how important it was either. Not until she heard Chekov just now. Not until he reinforced again how important she is to him even now. Instead of feeling erased she feels more visible than ever.
It's embarrassing to feel this much relief. This touched. He's the one who has been through a lot here. She asked how he was to check on him. It's not about her. But with him it is. With him even as new as they are together he's bringing her into it. Sharing himself. At least that's how it feels to her and it's a good feeling.
For the first time with him she thinks the thing she didn't say. The thing she still can't bring herself to say aloud.]
I don't know if it makes sense, but it's nice to hear. [Such an understatement made in emotion-laden words.]