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: Serious-looking folks suffer from unused smile muscles \n\n #behappy  #hatersgonnahate
This tweet contains emotions: 
joy, optimism