Book excerpt: How do I deal with worries? How much sleep do I really need? How can I be kinder to myself? Your brain is amazing, but sometimes it needs some help from you to stay happy. It's good to know how to look after it! Packed with simple explanations, advice, quick tips, journaling prompts, and awesome activities, How to Stay Happy will help you look after your brain, so your brain can look after you. Comes with mood tracker poster!