The Snows of Kilimanjaro (1952) on Netflix

As writer Harry Street lays gravely wounded from an African hunting accident he feverishly reflects on what he perceives as his failures at love and writing. Through his delirium he recalls his one true love Cynthia Green who he lost by his obsession for roaming the world in search of stories for his novels. Though she is dead Cynthia continues to haunt Street's thoughts. In spite of one successful novel after another, Street feels he has compromised his talent to ensure the success of his books, making him a failure in his eyes. His neglected wife Helen tends to his wounds, listens to his ranting, endures his talk of lost loves, and tries to restore in him the will to fight his illness until help arrives. Her devotion to him makes him finally realize that he is not a failure. With his realization of a chance for love and happiness with Helen, he regains his will to live.