Good mental health helps teens succeed in school, manage changes, and feel happy with themselves. During adolescence, mental health means being able to handle stress, express emotions properly, and build healthy relationships.Key characteristics include:Self-awareness – knowing your strengths and weaknessesEmotional control – managing feelings like anger or sadnessPositive self-esteem – feeling confident about yourselfGood decision-making – choosing what’s best for your well-beingHealthy relationships – treating others with respect and kindnessResilience – being able to recover from problems or failure