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