In "Extremely Loud and Incredibly Close" by Jonathan Safran Foer, the protagonist, a young boy named Oskar Schell, grapples with the emotional aftermath of losing his father in the 9/11 attacks. Oskar embarks on a quest to uncover the truth behind a mysterious key he found in his father's belongings, which symbolizes his longing for connection and understanding, particularly concerning how his father died. This exploration leads him on a journey through grief, loss, and the different manifestations of mortality.

The quote, "there were so many different ways to die, and I just need to know which was his," reflects Oskar's deep pain and confusion surrounding his father's death. It signifies his desperate need for closure and clarity in a world that seems chaotic and overwhelming after the tragedy. Oskar's quest is not merely about the key but also about confronting the various ways life can end, showcasing his struggle to make sense of his loss amid a myriad of uncertainties.