A month after my mother died, my best friend married my 68-year-old father. "I don't know what I'd do without you." "Honey," she began, "your dad and I... we've been talking, and—""Lydia and I are getting married," my father finished. Look me in the eye and explain how my best friend ends up engaged to my widowed father in less than a month." "Please don't leave like this," Lydia whispered.