Why does Father Tim write to the bishop to ask to leave Mitford?

How does Tim change throughout the novel and why?

Which characters affect Tim the most?

How does Barnabas affect Tim? Why?

Why is Tim cautious about Cynthia?

Tim is diagnosed with Diabetes. Why do the symptoms get worse? Why is Tim ignoring them?

What is the significance of the man living in the church attic? How does the man affect Tim and the people of Mitford?