.Which components of nursing practice are the most challenging for you?

What kind of experiences or knowledge do you need to fully develop each of these components of nursing practice (scientific competence,therapeutic use of self,moral/ethical comportment,transformational acts, praxis).Which components of nursing practice are the most challenging for you. Books to be used are integrated theory and knowledge development of nursing by Chinn and kramer (chapter 1)and nursing theoris and nursing practice by smith & parker fifth edition (1,2,3)and APa 7th edition .