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: @EspionageLove -- stop any time soon, his body trembling in Kian's arms with relief, completely overwhelmed.
This tweet contains emotions: 
joy, optimism