Given the 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", identify any present emotions from this list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If none are present, answer "neutral or no emotion".
anger, disgust, fear, pessimism, sadness