Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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