Never Leave Your Wingman by Deana J. Driver

Dressing in costume and dancing into her chemotherapy treatments, seven-time cancer survivor Dionne Warner and her fun-loving husband bring laughter and hope to everyone they meet. Upon hearing a diagnosis of liver cancer in 2001, Dionne said to her then-fiancé Graham, "You don't have to marry me." Graham, an experienced pilot, replied without hesitation: "You never leave your wingman."