How does Jack Keefe Stories develop the theme of Identity and Self-Perception?

Jack Keefe Stories by Ring Lardner develops Identity and Self-Perception across the chapters the companion marks for this theme.

Jack constantly redefines himself—as a star pitcher, a soldier, a detective, a family man—yet his identity is shaped more by his grandiose self-narrative than by objective reality, highlighting the theme of how people construct their own stories.

Jack struggles to reconcile his former identity as a star pitcher with his new status as a raw recruit, noting that he once had crowds cheering but now must salute officers.