[ Inwardly, she's grinning. Outwardly, she just gives him her best coy look. Sometimes in moments of sadness, what people need is a distraction, and what better way to distract him than by giving him a bit of sass? It is one of the things they do best, after all. ]

Well, it seemed like a logical path to follow. You were embarrassed in gym class, because people saw you fall, and now you want to refrain from possibly repeating that same experience. It makes perfect sense. There's nothing wrong with wanting to save face in front of others.

[ There is as much of a grain of truth in her words as there is light teasing. ]

Then think of it as just maintaining all the progress that you've made. You don't need to tell him you're doing it, either. He'll see the results eventually, but why tell him?