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: What u do wen ur love cheats on u ? Wen thy don't understand the emotions behind the anger, the constant waiting.. what u do ? @ritujai18874
This tweet contains emotions: 
anger, disgust, fear, pessimism, sadness