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: When you make a great tasting shake and no words can describe it!😃👌🏻 #shake #herbalifenutrition #tastesogood #nowords
This tweet contains emotions: 
joy, optimism