Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: The moment you bring her to meet your best friend and you're nervous af! 😬😆 #nervous #thefriendtest
This tweet contains emotions: 
fear, pessimism