Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: i made a squirrel friend today! i gave him the core of the plum i was eating. he seemed very happy.
This tweet contains emotions: 
joy, love, optimism