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: @LFScott57 Miss Cookie sends her thanks! She's not as spry as she used to be - like me! She doesn't have the adventures the young pups do!
This tweet contains emotions: 
joy, love, pessimism