Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: So she goes first. She gets her book signed &amp; I can barely take their picture cuz I'm shaking 😭😭😭😭😭
This tweet contains emotions: 
fear, joy, sadness