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: [ @TheChicMystique ] — hurting badly and that he can't just leave him like that. Angry and heartless. ]\n\nI promise you that I'll be back, —
This tweet contains emotions: 
anger, sadness