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: Changed my clothes at work and had my pre-workout..  In route to the gym and there is traffic all over - pre workout kicking in..
This tweet contains emotions: 
joy, optimism