The document discusses the importance of mental health for weight loss, energy, and performance. It states that changing negative mental habits and transforming one's mental health can take 18 months through consistent practice. It then recommends three primary mental health practices: gratitude, meditation, and affirmations/visualization. Gratitude involves focusing on what you appreciate each day instead of complaining. Meditation focuses on breath to reduce mind wandering. Affirmations/visualization state goals positively as if already achieved. Practicing one of these habits daily can improve mental health and well-being over time. The document provides examples and instructions for practicing gratitude, meditation, and affirmations/visualization. It encourages choosing one practice to start with and adding the others over weeks