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: Forgot to thank @_JusDee_ and @djolder for sharing @therealpeela's day-making #happy video.
This tweet contains emotions: 
joy, optimism