Kathryn Smith became the first full-time female coach in the NFL last season for the Buffalo Bills. She didn't set out to be a "trailblazer," but hopes more women will follow in her path. Why she says coaches and players aren't focused on gender at all, how her father's support helped her achieve her dream, and the future of her coaching career. Produced by Haley Draznin, CNN.To learn more about how CNN protects listener privacy, visit cnn.com/privacy