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: @DatGuydARK I wouldn't fret. There's too many opportunities in life to worry about one not working out.
This tweet contains emotions: 
optimism, trust