Please analyze the tweet "I'm okay, dont worry. I wish i'd been a better kid. I'm trying to slow down. I'm sorry for letting you down." and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
fear, pessimism, sadness