Analyze the tweet "when u havent learned to swim 🤔 but you keep working out so you're denser and less buoyant 😞 but swimming is scary 🤔 but also u cant swim 😞" 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".
fear, pessimism, sadness