That's true. I imagine any injuries sustained will easily be healed and I don't think Snow would want the tributes looking raggedy, so Johanna will be fine for the ball. Haymitch is going to be really proud of Katniss though, so that might ease their awkward turtle tension completely. And yes, you're right to assume that c: 

I forgot how scientific this RP is :B *pushes up glasses*

That's okay c: then you'll be first priority tomorrow.