The Importance of Negative Emotions

Let's talk about the importance of negative emotions. I used to believe that spirituality was all about being happy, and healthy, and dancing ,and frolicking, and feeling all of these high vibrations. But… when you only focus on positivity, it creates a one-dimensionality, and it will actually hinder you from moving forward. So how do you embrace the dualities of your emotions and take control of your life?