I think it's only natural, that Andy is frustrated. It's not easy to bounce back after such a serious injury. And men are the worst patients ever. I really hope the physio will help him.
The bastard who did this deserves the highest sentence possible.

Oh, and if I help you tear through the tarmac, will you include a guy for me, in your deal? I happily take Emmett or Dean or Rodney or Josef. Preferably all four of them... =D