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: i swear to god the worst drug is loving someone. physical withdrawals aren't that bad, emotional withdrawals sting a little more
This tweet contains emotions: 
pessimism, sadness