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: What's the worst affliction that you or someone you know ever convinced yourself you had?
This tweet contains emotions: 
pessimism, sadness