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's still not sunk in that im seeing joe next month, im so grateful and excited shit
This tweet contains emotions: 
joy, optimism