1. Do something new or do new hobbies
2. Exercise regularly
3, Eat healthy foods
4, Get enough rest or sleep
5. Be curious and always ask questions or help when confused to one thing
6. Be optimistic and don't stress yourself too much
7. Eliminate stressors and ask for help when you're depressed
8. Teach someone else or share your knowledge to others
9. Listen to music. It really works :)
10. Do puzzling stuffs or read to sharpen your mind