Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: I really love the customer service @LifeProof they're always so nice, helpful and cheerful !
This tweet contains emotions: 
joy, love, optimism