Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: it gets better. without explanation; you just wake up one morning and you’re just happy, totally and utterly elated.
This tweet contains emotions: 
joy, optimism