Who wouldn't enjoy being the subject of that joy? It's such a better thing to focus on, and she's inclined to lean into it and follow him to the dance floor.

Jennifer is light enough on her feet to compensate for the lack of most partners, and when she discovers that she doesn't have to? Well, then it's just a dreamy chance to let the music and training do the rest. Her form isn't perfect. She was never going to be a ballroom dancer even when she was in dance classes, but she knows how to waltz and how to follow a lead. The song is even familiar. The framework of the setting fades a little, and she simply lets herself enjoy his touch and the sense of being able to do something she loves with her body.