Please analyze the tweet "This is a terrific university-a unique university..Athabasca University has become a part of my head &amp; a part of my heart' Peter MacKinnon" 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, trust