Given the tweet "Finished writing my second book tonight. #somber #sad #youpromised #havemercy #author #writer #needpublisher #beingedited #workingonsidebook", identify any present emotions from this list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If none are present, answer "neutral or no emotion".
joy, optimism, sadness