The Children of Men

Why does Xan wear the coronation ring, a symbol of hereditary monarchy, if it is literally impossible for him to pass it onto a new generation? Why does the ring have such deep meaning for his supporters?

What role does Christianity play in the novel? Why does James structure the novel around the biblical story of the Immaculate Conception, and how does the narrative of Mary, Joseph, and Jesus inform and undercut the story of Julian and her baby?

Why does Theo work so hard to avoid love and responsibility?