Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: It's amazing how something gets stuck in your head, and you can't shake a memory...  Sometimes, I miss people a lot.  Wish they knew.
This tweet contains emotions: 
joy, sadness