Please analyze the tweet "@RealestCastiel just sitting close to him for an extended period of time was exhilarating because he's so beautiful and lively lol" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
joy, love, optimism