Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: This is the first time I've written anything on this series in over two years, so I'm checking back in for one last nightmare.
This tweet contains emotions: 
fear, pessimism, sadness