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: @yukkikuma_cos cheer up, luv. your face is alot prettier when you're not frowning. &lt;3
This tweet contains emotions: 
joy, love, optimism