Task: Determine the degree of intensity for emotion E in the tweet, giving it a score between 0 and 1, where 0 signifies the least intensity and 1 signifies the greatest intensity.
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! ❤️
Emotion: joy
Intensity score: 
0.521