Can you redo This sentence

I know that you care about your health, so I think you should join the track team. That way, you will stay fit by doing all that exercise. You’ll regret it if you don’t join and you don’t want to live with regrets, do you?

Since you care about your health, I suggest joining the track team to stay fit with regular exercise. You wouldn't want to miss out and potentially regret not taking this opportunity, would you?