Examine the tweet "There is something v satisfying about  opening an old 'to do'.doc file and being able to check off all the things you have done #smiling" and determine which of these emotions are present: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If there are no identifiable emotions, reply with "neutral or no emotion".
joy, love, optimism