Here is a little technique you can use if you ever feel in a bad mood and need to quickly change your state.  Don't forget that you must be in acceptance of your negative state first before this technique will work - Here goes: Pinch your nose using your thumb and index finger. 1) Breathe in for 4 seconds through one nostril while keeping the other nostril blocked. 2) Switch nostrils and breathe out for 8 seconds. 3) Breathe in again for 4 secods, then switch nostrils and breathe out for 8 seconds.  4) Repeat the process upto 10x