Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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