Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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