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: guess who stayed up until 2am just incase someone called but they never did like i knew already , it's me, mistakes were made
This tweet contains emotions: 
anticipation, sadness