Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: At the end of the day I know that my kids will never worry about me leaving them 💕
This tweet contains emotions: 
joy, love, optimism