Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @AldiToHarrods I'm still too nervous to try it. I need to man up and give it ago.
This tweet contains emotions: 
fear, pessimism