Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Lea doing a mini set tour of glee my heart just cried tears of happiness and sadness
This tweet contains emotions: 
joy, love, optimism, sadness