Maybe it's because Connie's taken the boy's role in the dance, even though she's of course not a boy either. And that's good. Akane wouldn't want her to be a boy. She's wonderful how she is already.

"Even when I'm sad...
Even when I'm glad...
Memories of days I'll never, ever let go."

She comes out of the twirl with her head tilted slightly up, looking up into Connie's big, dark eyes, her heart beating the way it did when Ranma (who she had thought was a girl) had poked in her the back after tricking her into punching through the wall.

"Thanks," she whispers.