Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: Tomorrow is the day I cut and dye my hair! 😳 #nervous #excited
This tweet contains emotions: 
fear, joy, optimism