In the interview talks about how he came up fast while Cosmopolis a dangerous method, even though both were independent films. David has begun to work in Cosmopolis rather than a dangerous method and immersed himself in the recording of Cosmopolis ending just before named. He says he had to say to the producer [of Cosmopolis], Paulo Branco, who was waiting as he had in hand a dangerous method and Paulo accepted as she had more work to do.
The following interview is more or less along the same lines, David talks about the film and philosophy. But do not name anything about Cosmopolis, if you want to know more about our favorite director, take a look.