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: @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