Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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