Unproductive negative emotion is one of the greatest hindrances to our own personal progress. For me, my most frequent reoccurring unproductive emotion is comparing myself to others. Insanely competitive by nature, I thrive on competition but competition and/or comparing oneself to someone else can become dangerous the moment they become a form of measuring stick for your value or worth.
Stop competing with others and start competing with yourself. Competition with others is only beneficial in that you should be competing together in camaraderie to together push one another past your own self-perceived limits. The only competitor that you need to beat is yourself, so start taking yourself seriously and take ownership of how you become who you become.