STANFORD, Ky. — When Cindy Mullins developed sepsis from a kidney stone in December 2023, her life changed overnight. The 43-year-old mother of two underwent quadruple amputation after the infection became life-threatening. The simple routines many people take for granted — standing in the shower, walking across a room or picking up objects — suddenly required determination, adaptation and faith. Today, Mullins has learned to navigate her new no…