Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Transitioning to a new job is hard when you have nothing but joyful memories of the previous one. Thanks @LifeTeen for changing my life! ❤️
This tweet contains emotions: 
joy, love, optimism