If you are unhappy, there is no point in punishing yourself forever and staying unhappy. How you feel is always a personal choice and you can change it. Laughter Yoga exercises can change your feelings and mood state within minutes.
You can laugh in the laughter club even if you are not happy and going through problems. Laughter Yoga is not about happiness, it is all about creating joy within you with some laughing and breathing exercises.
Happiness is a conditional response and depends upon fulfillment of desires and some external conditions, while joyfulness is the unconditional commitment to be happy from within.
When we approach laughter as a physical exercise, it brings physiological and biochemical changes due to release certain hormones that makes you feel good.. Once you feel good within, your state of mind will change which will further change the perception of the outer world. You will see your problems differently.