Happiness is much more than a simple smile. It's not about jumping for joy 24 hours a day every day of the week. If you did that, you might be on the edge of a mental illness called mania, defined as being in a constant state of euphoria and excitement. Happiness is the experience of all kinds of positive emotions like pride, hope and awe. It is even deep-felt serenity, gratitude and love. Happiness even includes negative emotions such as sadness, anger and fear. Why? Because happiness is about having the full human experience, and negative emotions are a big part of that. They play an important role in living a happy, healthy life, and prove to you that you can feel.

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