I have two main reasons for retiring. The first is I can no longer play at a level I was accustomed to in the past. That has been very, very frustrating to me throughout this past year. The second one is realizing my health, along with my family, is the most important thing in the world.
There is also an artistic element which is lead by the film maker. Issues of what is reality and objectivity are as always relevant as someone is going to edit the film.