Any guys/gals trying to talk ? I'm a girl

Which statement is most correct about self esteem?

Which action is characterized of mental illness 1.brushing teeth every hour because ones mouth feels dirty ? 2. forgetting to eat breakfast on a busy day? 3.crying three days over a relationship breakup? 4.feeling embarrassed about going to school after failing in front of friends?

Are needed by the body in large amounts in order to maintain good health