Anger is a natural though sometimes unwanted human emotion which can arise out of proportion to its trigger. It can impede a person’s decision making, damage relationships, even harm physical/mental health. Anger management is very important to reduce the destruction and problems that anger causes.
Self-confidence simply means believing in our self. Appreciate and value our selves. Trusting our own abilities and capacities. Self-confidence is the most important thing for happiness. Self-confidence tends to focus on future performance.