Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Just over a week until I start my new job in F1! Looking forward to it and cacking myself at the same time!
This tweet contains emotions: 
anticipation, joy, optimism