Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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.
This tweet contains emotions: 
fear, pessimism, sadness