How and why does Henry’s change happen?

Frederic Henry’s perspective and attitude about war changes drastically in this story by Hemingway. How and why does Henry’s change happen? Write a reflective essay in which you explain Henry’s change in thinking about war and connect this to a personal experience where you underwent a significant change of perspective, how and why this change happened, and how this benefited your life. The essay’s thesis statement and body contents should refer to A Farewell to Arms and clearly state the connection. The conclusion should refer back to A Farewell to Arms too.