1. Go sleep.
2. Consume anything sweet
3. Go by the window, close your eyes, and feel the breeze
4. Walk away from the source of your negative feeling
5. Musics
6. Showers
7. Swim. And try this: Immerse yourself inside the water and feel the sound of water.
8. Draw/Write/Scribble it out and throw it away
9. Treat yourself something light and treat yourself again something heavy when you walked out from moodiness
10. Count your blessings. And read it when you are moody.