Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Not my fault if I'm more observant than you thought of me to be ! 😜 I'm not sorry 😝 #wisdom #laughter #observingyou #allthetime #becareful 😎
This tweet contains emotions: 
joy, optimism