Why did John Coffey say i'm tried in Green Mile Explain?

In "The Green Mile," John Coffey says "I'm tired" to express his deep emotional and physical exhaustion from the immense suffering he has endured. His weariness reflects not only his personal pain but also the burden of his supernatural abilities and the injustices he faces. This statement highlights his vulnerability and the toll that his experiences have taken on him, emphasizing themes of compassion and the human condition within the story.