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: so fucking sad when the person you love doesn't try fighting for your happiness, when you'd do anything for them.
This tweet contains emotions: 
anger, disgust, sadness