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: @bumbleb33tuna door and cleared his throat, trying to dispel any nervousness he had left.
This tweet contains emotions: 
optimism