Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Don't #worry if you're not the best , if you are doing something you #love , you're heading in right direction ...
This tweet contains emotions: 
joy, optimism