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: Idk why but when I help someone,  a smile comes on my lips.\n\n#thatisall #ieverwant #noneeds #justyou #love #peace #smiling #faces #kindness
This tweet contains emotions: 
joy, love, optimism