Analyze the tweet "Sometimes people leave you halfway through the wood. Do not let it grieve you, no one leaves for good. #youarenotalone #nooneisalone" 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".
optimism, sadness, trust