Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
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