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: Looks like I'm going in for my op just over a week or so early! #nervous 🙈🙈🙈
This tweet contains emotions: 
fear, pessimism