Task: Assess the emotional content of the tweet and classify 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 best represent the tweeter's mental state.
Tweet: not going to waste my energy holding a grudge against someone who wasnt even in my life a year XD \ntime to release those feelings of dislike
This tweet contains emotions: 
optimism