Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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