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: With a very tired body and mind and sparkling teeth I say to all my followers, good night and if there is an apocalypse; good luck. #aspie
This tweet contains emotions: 
joy