Picture this; you are so upset, like boiling. But you still decide to bottle that up. What if anger was sad that you didn't share it with others? Would you like it if people just hid you? Click on the book 'Anger' to start Space/Right Arrow to go onto the next line.
Here are my other 'Library of Emotion' projects: Joy - https://scratch.mit.edu/projects/1207701984 Fear - https://scratch.mit.edu/projects/1268983704/