Analyze the tweet "I'm way too busy and tired all the time to worry about my past and the things I should be regretting (but I never am)." and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
anticipation, joy, optimism, sadness