Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: @EspionageLove -- stop any time soon, his body trembling in Kian's arms with relief, completely overwhelmed.
This tweet contains emotions: 
joy, optimism