So he had to accept to go to Australia because he knew he was already delaying the recording of the film a lot, the actors in Australia started filming in April and they were expected to finish in August.
But because of Jake, they would shoot until September and Jake would shoot until October if necessary, maybe Jake was one of the only players who would like the NBA lockout, the other players would not like it because with fewer games they would not get paid and would lose popularity.
But Jake didn't mind losing wages or sponsorship money if he could have a few more months to adapt before the NBA season started, he could shoot the movie, run the marathon and stay home more because of this.