The benefits of laughing alone will make you want to have a good belly laugh....
Reduces heart disease
Makes us look young
Natural pain killer
Improves breathing
Makes us look young
Helps us lose weight 
Gives good sleep 
Did I mention HELPS US LOSE WEIGHT?? 
Reduces stress level
Did I mention MAKES US LOOK YOUNG??
THERE'S NO REASON NOT TO "LAUGH YOUR HEAD OFF"!!!