Given the emotion joy and the tweet "I really love the customer service @LifeProof they're always so nice, helpful and cheerful !", classify the intensity of the emotion displayed in the tweet. The classification options are: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.
3: high amount of joy can be inferred