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: First weekend of fall; let's see if I can stay disciplined to this seasons goals. #fitness #running #sober #Mindset #firstfriday #family
This tweet contains emotions: 
joy, optimism