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: Honestly don't know why I'm so unhappy most of the time. I just want it all to stop :( #unhappy #depression #itnevergoes
This tweet contains emotions: 
disgust, pessimism, sadness