Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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