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 really love the customer service @LifeProof they're always so nice, helpful and cheerful !
This tweet contains emotions: 
joy, love, optimism