sentences:  This wakes Nathan up and he reengages in fatherhood, their marriage, and his life.After struggling through marriage counseling, an obsessed nanny, and Haley's depression after the death of her mother, Haley and Nathan's life and relationship settle down and they have a second child, a daughter named Lydia Bob Scott.Daniel Robert Scott, also known as Dan/Danny, played by Paul Johansson as a series regular from the pilot to the thirteenth episode of season seven.