1. Watch comedy or cartoon at home, or listen to some very soft music, read a novel
2. Relax yourself in a quiet place, think about GOOD things in your life (good friends, your other half, family members...)
, or what you have in your life...
3. If u prefer stay at home, look at sky, cloud, trees, flowers, houses, ... outside the window.
4. Talk to a good friend, express your feeling would make u fell much better.