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: Just over a week until I start my new job in F1! Looking forward to it and cacking myself at the same time! #nervous
This tweet contains emotions: 
anticipation, fear