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: Once I have sent a pitch to a brand I close all tabs relevant to them instantly. Thats the kind of detachment I create for myself. #serious
This tweet contains emotions: 
sadness, surprise