Writing can be a very solitary business. It's you sat at a desk typing words into a computer. It can get lonely sometimes and lots of writers live quite isolated lives.
In choosing any role, I ask the same questions: what kind of part is it? is the role challenging? does the director have a vision? is the story moving? etc.
No one who is at all acquainted with the Indian in his home can deny that we are a polite people.