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: 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