Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @RealestCastiel just sitting close to him for an extended period of time was exhilarating because he's so beautiful and lively lol
This tweet contains emotions: 
joy, love, optimism