Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: @NFYFC @Wilkster_ hmm, don't know many yf  who are short on confidence! Wish I'd been one, #shy
This tweet contains emotions: 
fear, pessimism